Mystery Victorian nabs entire $20 million Powerball jackpot

One lucky Melburnian has woken up more than $20 million richer today - but they may not even know it yet.

The mystery ticketholder was the sole division one winner in last night's Powerball jackpot, securing a whopping prize of $20,809,257.

The winner purchased their ticket from The Lucky Charm in Craigieburn in Melbourne's northern suburbs.

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The Lucky Charm owner Nicole Knothe said the $20 million win was the biggest division one prize to have landed at her outlet.

"This is such an exciting and life-altering win for one of our lucky customers," she said.

"We would love to send all our happy thoughts to our lucky winner! We hope the win brings them joy, comfort and the ability to change many lives for the better."

The Lott spokesperson Matt Hart said he hoped Melbourne's latest division one winner checked their ticket soon.

"Our elusive winner is likely oblivious to the fact they became a multi-millionaire last night," he said.

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.