20013172275120 has 80 divisors (see below), whose sum is σ = 62041565490432. Its totient is φ = 5336783020800.

The previous prime is 20013172275097. The next prime is 20013172275163. The reversal of 20013172275120 is 2157227131002.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22058445 + ... + 22947795.

Almost surely, 2^{20013172275120} is an apocalyptic number.

20013172275120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013172275120 is an abundant number, since it is smaller than the sum of its proper divisors (42028393215312).

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

20013172275120 is a wasteful number, since it uses less digits than its factorization.

20013172275120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983130 (or 983124 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 20013172275120 in words is "twenty trillion, thirteen billion, one hundred seventy-two million, two hundred seventy-five thousand, one hundred twenty".