20013056050172 has 6 divisors (see below), whose sum is σ = 35022848087808. Its totient is φ = 10006528025084.

The previous prime is 20013056050123. The next prime is 20013056050187. The reversal of 20013056050172 is 27105065031002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501632006268 + ... + 2501632006275.

It is an arithmetic number, because the mean of its divisors is an integer number (5837141347968).

Almost surely, 2^{20013056050172} is an apocalyptic number.

It is an amenable number.

20013056050172 is a deficient number, since it is larger than the sum of its proper divisors (15009792037636).

20013056050172 is a wasteful number, since it uses less digits than its factorization.

20013056050172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003264012547 (or 5003264012545 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 20013056050172 in words is "twenty trillion, thirteen billion, fifty-six million, fifty thousand, one hundred seventy-two".