20200521552 has 20 divisors (see below), whose sum is σ = 52184680800. Its totient is φ = 6733507168.

The previous prime is 20200521521. The next prime is 20200521587. The reversal of 20200521552 is 25512500202.

It is a super-2 number, since 2×20200521552² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210422052 + ... + 210422147.

It is an arithmetic number, because the mean of its divisors is an integer number (2609234040).

Almost surely, 2^20200521552 is an apocalyptic number.

It is an amenable number.

20200521552 is an abundant number, since it is smaller than the sum of its proper divisors (31984159248).

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

20200521552 is a wasteful number, since it uses less digits than its factorization.

20200521552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420844210 (or 420844204 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 20200521552 in words is "twenty billion, two hundred million, five hundred twenty-one thousand, five hundred fifty-two".