20113455373976 has 32 divisors (see below), whose sum is σ = 38943921329280. Its totient is φ = 9728653900800.

The previous prime is 20113455373943. The next prime is 20113455374017. The reversal of 20113455373976 is 67937355431102.

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, 14603135 + ... + 15921006.

It is an arithmetic number, because the mean of its divisors is an integer number (1216997541540).

Almost surely, 2^{20113455373976} is an apocalyptic number.

It is an amenable number.

20113455373976 is a deficient number, since it is larger than the sum of its proper divisors (18830465955304).

20113455373976 is a wasteful number, since it uses less digits than its factorization.

20113455373976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30526835 (or 30526831 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 56.

The spelling of 20113455373976 in words is "twenty trillion, one hundred thirteen billion, four hundred fifty-five million, three hundred seventy-three thousand, nine hundred seventy-six".