During a press conference, officials identified the lucky winner as Edwin Castro. A city of residence or occupation was not provided. California Lottery Director Alva Johnson said Castro "would largely like to remain private."
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"He understands his name is part of the public record, and now part of history, but he respectfully declined our invitation to appear publicly with us today - understandably so," Johnson added.
$2.04B jackpot: Powerball ticket matching all numbers sold at Altadena gas station
The winning ticket - the only one that matched all six numbers - for the Nov. 7 drawing was sold at Joe's Service Center in Altadena. For selling the winning ticket, business owner Joe Chahayed received a bonus of $1 million.
Chahayed has this message for Castro: "What good news. I'd like to congratulate this person. He deserves it probably very much."
The jackpot grew to the staggering amount of $2.04 billion after more than three months without anyone coming up with all the right numbers for the top prize.
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Because of that, the state lottery raised a record $156 million for California public schools, Johnson said.
The Associated Press contributed to this report.