20355266446104 has 64 divisors (see below), whose sum is σ = 51292540108800. Its totient is φ = 6731179951104.

The previous prime is 20355266446063. The next prime is 20355266446157. The reversal of 20355266446104 is 40164466255302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43564329 + ... + 44029095.

It is an arithmetic number, because the mean of its divisors is an integer number (801445939200).

Almost surely, 2^{20355266446104} is an apocalyptic number.

20355266446104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20355266446104 is an abundant number, since it is smaller than the sum of its proper divisors (30937273662696).

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

20355266446104 is a wasteful number, since it uses less digits than its factorization.

20355266446104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479272 (or 479268 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 20355266446104 in words is "twenty trillion, three hundred fifty-five billion, two hundred sixty-six million, four hundred forty-six thousand, one hundred four".