20800480446256 has 60 divisors (see below), whose sum is σ = 46902554657472. Its totient is φ = 8910331081344.

The previous prime is 20800480446247. The next prime is 20800480446257. The reversal of 20800480446256 is 65264408400802.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (20800480446257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4510095 + ... + 7870318.

Almost surely, 2^{20800480446256} is an apocalyptic number.

It is an amenable number.

20800480446256 is an abundant number, since it is smaller than the sum of its proper divisors (26102074211216).

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

20800480446256 is a wasteful number, since it uses less digits than its factorization.

20800480446256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12382578 (or 12382565 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 49.

The spelling of 20800480446256 in words is "twenty trillion, eight hundred billion, four hundred eighty million, four hundred forty-six thousand, two hundred fifty-six".