20117553365026 has 16 divisors (see below), whose sum is σ = 33910524736704. Its totient is φ = 8881327906704.

The previous prime is 20117553364999. The next prime is 20117553365047. The reversal of 20117553365026 is 62056335571102.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 16820696196 + ... + 16820697391.

It is an arithmetic number, because the mean of its divisors is an integer number (2119407796044).

Almost surely, 2^{20117553365026} is an apocalyptic number.

20117553365026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20117553365026 is a deficient number, since it is larger than the sum of its proper divisors (13792971371678).

20117553365026 is a wasteful number, since it uses less digits than its factorization.

20117553365026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33641393625.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 20117553365026 in words is "twenty trillion, one hundred seventeen billion, five hundred fifty-three million, three hundred sixty-five thousand, twenty-six".