20475916932 has 12 divisors (see below), whose sum is σ = 47777139536. Its totient is φ = 6825305640.

The previous prime is 20475916931. The next prime is 20475916933. The reversal of 20475916932 is 23961957402.

It is an interprime number because it is at equal distance from previous prime (20475916931) and next prime (20475916933).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20475916931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853163194 + ... + 853163217.

Almost surely, 2^20475916932 is an apocalyptic number.

It is an amenable number.

20475916932 is an abundant number, since it is smaller than the sum of its proper divisors (27301222604).

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

20475916932 is a wasteful number, since it uses less digits than its factorization.

20475916932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706326418 (or 1706326416 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 20475916932 in words is "twenty billion, four hundred seventy-five million, nine hundred sixteen thousand, nine hundred thirty-two".