20112660722776 has 64 divisors (see below), whose sum is σ = 38419295846400. Its totient is φ = 9869019164928.

The previous prime is 20112660722773. The next prime is 20112660722789. The reversal of 20112660722776 is 67722706621102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112660722771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93611265 + ... + 93825871.

It is an arithmetic number, because the mean of its divisors is an integer number (600301497600).

Almost surely, 2^{20112660722776} is an apocalyptic number.

It is an amenable number.

20112660722776 is a deficient number, since it is larger than the sum of its proper divisors (18306635123624).

20112660722776 is a wasteful number, since it uses less digits than its factorization.

20112660722776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215488 (or 215484 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 20112660722776 in words is "twenty trillion, one hundred twelve billion, six hundred sixty million, seven hundred twenty-two thousand, seven hundred seventy-six".