20757532032 has 96 divisors (see below), whose sum is σ = 63245665080. Its totient is φ = 6512160768.

The previous prime is 20757532027. The next prime is 20757532063. The reversal of 20757532032 is 23023575702.

20757532032 is a `hidden beast` number, since 20 + 7 + 575 + 32 + 0 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 510378 + ... + 549545.

Almost surely, 2^20757532032 is an apocalyptic number.

It is an amenable number.

20757532032 is an abundant number, since it is smaller than the sum of its proper divisors (42488133048).

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

20757532032 is a wasteful number, since it uses less digits than its factorization.

20757532032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059960 (or 1059945 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The spelling of 20757532032 in words is "twenty billion, seven hundred fifty-seven million, five hundred thirty-two thousand, thirty-two".