Couple in affluent suburb had $20m lottery ticket stuck on fridge door for days

For days after an $80 million Powerball draw, a Melbourne couple ignored the ticket stuck on their fridge door - but when they finally made time to check it, they found themselves $20 million richer.

The grandparents in well-heeled Brighton, one of the most affluent suburbs in the state, held one of the four division one winning tickets in the Powerball draw last Thursday, pocketing a $20 million slice of the overall $80 million pie.

However, their ticket was unregistered, meaning officials had to wait for them to claim their prize, which took a few days.

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"This is unbelievable. We had no idea, and this whole time the ticket was just sitting on our fridge," the grandmother said.

"We've both been really busy, so we just forgot to check it."

She said the couple would look after their children and grandchildren, and buy "a little house".

"Heck! I don't know if I should keep working or retire," she said.

"I've had a radical change of plans for the day, that's for sure. It will take a long time for this to sink in."

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Brighton is one of the wealthiest suburbs in Victoria, with a median house price of $2,842,000 in the latest Domain House Price Report.

The winning entry was purchased from East Brighton Newsagency, 613 Hampton Street, Brighton.

There are many different ways to get help and information about gambling. You can visit the National Gambling Helpline or call on 1800 858 858.