20055307400568 has 64 divisors (see below), whose sum is σ = 60773658796800. Its totient is φ = 6077365878240.

The previous prime is 20055307400549. The next prime is 20055307400621. The reversal of 20055307400568 is 86500470355002.

20055307400568 is a `hidden beast` number, since 2 + 0 + 0 + 55 + 30 + 7 + 4 + 0 + 0 + 568 = 666.

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, 4220390596 + ... + 4220395347.

It is an arithmetic number, because the mean of its divisors is an integer number (949588418700).

Almost surely, 2^{20055307400568} is an apocalyptic number.

It is an amenable number.

20055307400568 is an abundant number, since it is smaller than the sum of its proper divisors (40718351396232).

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

20055307400568 is a wasteful number, since it uses less digits than its factorization.

20055307400568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440785969 (or 8440785959 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 20055307400568 in words is "twenty trillion, fifty-five billion, three hundred seven million, four hundred thousand, five hundred sixty-eight".