20993035932 has 72 divisors (see below), whose sum is σ = 60936744960. Its totient is φ = 6026706720.

The previous prime is 20993035919. The next prime is 20993035961. The reversal of 20993035932 is 23953039902.

20993035932 is a `hidden beast` number, since 20 + 9 + 9 + 30 + 3 + 593 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1387548 + ... + 1402595.

It is an arithmetic number, because the mean of its divisors is an integer number (846343680).

Almost surely, 2^20993035932 is an apocalyptic number.

20993035932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20993035932 is an abundant number, since it is smaller than the sum of its proper divisors (39943709028).

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

20993035932 is a wasteful number, since it uses less digits than its factorization.

20993035932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790183 (or 2790178 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 45.

The spelling of 20993035932 in words is "twenty billion, nine hundred ninety-three million, thirty-five thousand, nine hundred thirty-two".