20672607552 has 56 divisors (see below), whose sum is σ = 57074385216. Its totient is φ = 6591264768.

The previous prime is 20672607533. The next prime is 20672607607. The reversal of 20672607552 is 25570627602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336233 + ... + 2345064.

Almost surely, 2^20672607552 is an apocalyptic number.

It is an amenable number.

20672607552 is an abundant number, since it is smaller than the sum of its proper divisors (36401777664).

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

20672607552 is a wasteful number, since it uses less digits than its factorization.

20672607552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681335 (or 4681325 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 20672607552 in words is "twenty billion, six hundred seventy-two million, six hundred seven thousand, five hundred fifty-two".