20672196912 has 60 divisors (see below), whose sum is σ = 57872189544. Its totient is φ = 6888499200.

The previous prime is 20672196893. The next prime is 20672196931. The reversal of 20672196912 is 21969127602.

It is an interprime number because it is at equal distance from previous prime (20672196893) and next prime (20672196931).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456912 + ... + 500112.

Almost surely, 2^20672196912 is an apocalyptic number.

It is an amenable number.

20672196912 is an abundant number, since it is smaller than the sum of its proper divisors (37199992632).

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

20672196912 is a wasteful number, since it uses less digits than its factorization.

20672196912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46538 (or 46529 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 20672196912 in words is "twenty billion, six hundred seventy-two million, one hundred ninety-six thousand, nine hundred twelve".