20013055564612 has 12 divisors (see below), whose sum is σ = 38206742441616. Its totient is φ = 9096843438440.

The previous prime is 20013055564609. The next prime is 20013055564661. The reversal of 20013055564612 is 21646555031002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227421085918 + ... + 227421086005.

It is an arithmetic number, because the mean of its divisors is an integer number (3183895203468).

Almost surely, 2^{20013055564612} is an apocalyptic number.

20013055564612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20013055564612 is a deficient number, since it is larger than the sum of its proper divisors (18193686877004).

20013055564612 is a wasteful number, since it uses less digits than its factorization.

20013055564612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454842171938 (or 454842171936 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 20013055564612 in words is "twenty trillion, thirteen billion, fifty-five million, five hundred sixty-four thousand, six hundred twelve".