1920

1920= 2⁷ x 3 x 5.

1920 has a unique representation as a sum of three squares: 1920 = 8² + 16² + 40².

1920 is the smallest number that contains more different digits than its cube: 1920³ = 7077888000.

1920 is a 12-gonal number.

Science fiction author Isaac Asimov was born on Jan. 2, 1920.

Source: Number Gossip