20607883860856 has 32 divisors (see below), whose sum is σ = 40320365536800. Its totient is φ = 9855799557120.

The previous prime is 20607883860841. The next prime is 20607883860877. The reversal of 20607883860856 is 65806838870602.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20607883860791 and 20607883860800.

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, 12292636 + ... + 13868116.

It is an arithmetic number, because the mean of its divisors is an integer number (1260011423025).

Almost surely, 2^{20607883860856} is an apocalyptic number.

It is an amenable number.

20607883860856 is a deficient number, since it is larger than the sum of its proper divisors (19712481675944).

20607883860856 is a wasteful number, since it uses less digits than its factorization.

20607883860856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646599 (or 1646595 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 20607883860856 in words is "twenty trillion, six hundred seven billion, eight hundred eighty-three million, eight hundred sixty thousand, eight hundred fifty-six".