20476156854104 has 64 divisors (see below), whose sum is σ = 44466321945600. Its totient is φ = 8658153149184.

The previous prime is 20476156854077. The next prime is 20476156854119. The reversal of 20476156854104 is 40145865167402.

It is a congruent number.

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, 2129102 + ... + 6744285.

It is an arithmetic number, because the mean of its divisors is an integer number (694786280400).

Almost surely, 2^{20476156854104} is an apocalyptic number.

It is an amenable number.

20476156854104 is an abundant number, since it is smaller than the sum of its proper divisors (23990165091496).

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

20476156854104 is a wasteful number, since it uses less digits than its factorization.

20476156854104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873952 (or 8873948 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 20476156854104 in words is "twenty trillion, four hundred seventy-six billion, one hundred fifty-six million, eight hundred fifty-four thousand, one hundred four".