2020764 has 24 divisors (see below), whose sum is σ = 4963840. Its totient is φ = 638064.

The previous prime is 2020729. The next prime is 2020771. The reversal of 2020764 is 4670202.

It is a happy number.

It is a super-3 number, since 3×2020764³ = 24755291443331111232, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2020764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4204 + ... + 4659.

2^2020764 is an apocalyptic number.

It is an amenable number.

2020764 is an abundant number, since it is smaller than the sum of its proper divisors (2943076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020764 is a wasteful number, since it uses less digits than its factorization.

2020764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889 (or 8887 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2020764 is about 1421.5357892083. The cubic root of 2020764 is about 126.4266214024.

Adding to 2020764 its reverse (4670202), we get a palindrome (6690966).

The spelling of 2020764 in words is "two million, twenty thousand, seven hundred sixty-four".