2020053638564 has 72 divisors (see below), whose sum is σ = 4189204871040. Its totient is φ = 844859391552.

The previous prime is 2020053638563. The next prime is 2020053638599. The reversal of 2020053638564 is 4658363500202.

It is not an unprimeable number, because it can be changed into a prime (2020053638563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409852 + ... + 2455155.

Almost surely, 2^{2020053638564} is an apocalyptic number.

It is an amenable number.

2020053638564 is an abundant number, since it is smaller than the sum of its proper divisors (2169151232476).

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

2020053638564 is a wasteful number, since it uses less digits than its factorization.

2020053638564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865089 (or 3865064 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 2020053638564 in words is "two trillion, twenty billion, fifty-three million, six hundred thirty-eight thousand, five hundred sixty-four".