20555565613094 has 32 divisors (see below), whose sum is σ = 31181144265216. Its totient is φ = 10162235815200.

The previous prime is 20555565613073. The next prime is 20555565613133. The reversal of 20555565613094 is 49031656555502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266567144 + ... + 266644244.

It is an arithmetic number, because the mean of its divisors is an integer number (974410758288).

Almost surely, 2^{20555565613094} is an apocalyptic number.

20555565613094 is a deficient number, since it is larger than the sum of its proper divisors (10625578652122).

20555565613094 is a wasteful number, since it uses less digits than its factorization.

20555565613094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79580.

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 20555565613094 in words is "twenty trillion, five hundred fifty-five billion, five hundred sixty-five million, six hundred thirteen thousand, ninety-four".