20535253032 has 64 divisors (see below), whose sum is σ = 60036641280. Its totient is φ = 5730766272.

The previous prime is 20535253031. The next prime is 20535253049. The reversal of 20535253032 is 23035253502.

It is not an unprimeable number, because it can be changed into a prime (20535253031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414098 + ... + 1428545.

It is an arithmetic number, because the mean of its divisors is an integer number (938072520).

Almost surely, 2^20535253032 is an apocalyptic number.

It is an amenable number.

20535253032 is an abundant number, since it is smaller than the sum of its proper divisors (39501388248).

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

20535253032 is a wasteful number, since it uses less digits than its factorization.

20535253032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842702 (or 2842698 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 20535253032 in words is "twenty billion, five hundred thirty-five million, two hundred fifty-three thousand, thirty-two".