20495745432 has 48 divisors (see below), whose sum is σ = 55933071480. Its totient is φ = 6779760000.

The previous prime is 20495745427. The next prime is 20495745443. The reversal of 20495745432 is 23454759402.

20495745432 is a `hidden beast` number, since 2 + 0 + 49 + 574 + 5 + 4 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077069 + ... + 1095932.

Almost surely, 2^20495745432 is an apocalyptic number.

It is an amenable number.

20495745432 is an abundant number, since it is smaller than the sum of its proper divisors (35437326048).

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

20495745432 is a wasteful number, since it uses less digits than its factorization.

20495745432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173144 (or 2173137 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 20495745432 in words is "twenty billion, four hundred ninety-five million, seven hundred forty-five thousand, four hundred thirty-two".