Upon realizing he’d won, Mr. Li took the train to Nanning so he could collect his prize, which amounted to a staggering 171.6 million yuan ($23,641,246.20) after taxes.

A man in southern China is keeping his 219 million yuan (S$42.4 million) lottery jackpot a secret from his wife and child, saying he was worried that the winnings might make them lazy. The man ...