20632879376 has 40 divisors (see below), whose sum is σ = 42032827584. Its totient is φ = 9792548480.

The previous prime is 20632879357. The next prime is 20632879381. The reversal of 20632879376 is 67397823602.

It is a super-2 number, since 2×20632879376² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 165791 + ... + 262206.

Almost surely, 2^20632879376 is an apocalyptic number.

It is an amenable number.

20632879376 is an abundant number, since it is smaller than the sum of its proper divisors (21399948208).

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

20632879376 is a wasteful number, since it uses less digits than its factorization.

20632879376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428159 (or 428153 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 20632879376 in words is "twenty billion, six hundred thirty-two million, eight hundred seventy-nine thousand, three hundred seventy-six".