Two thousand twenty

2020 is an even number.

2020 is a Harshad number, which means it is divisible by the sum of its digits (2 + 0 + 2 + 0 = 4, and 2020 is divisible by 4).

In binary, 2020 is represented as 11111100100.

In hex, 2020 is represented as 7e4.

Prime factorization of 2020: 2^{2} * 5 * 101.

Factors of 2020 are: 1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020.