20385461130756 has 48 divisors (see below), whose sum is σ = 48846507790080. Its totient is φ = 6613832424960.

The previous prime is 20385461130751. The next prime is 20385461130779. The reversal of 20385461130756 is 65703116458302.

It is a junction number, because it is equal to n+sod(n) for n = 20385461130699 and 20385461130708.

It is not an unprimeable number, because it can be changed into a prime (20385461130751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99744421 + ... + 99948588.

It is an arithmetic number, because the mean of its divisors is an integer number (1017635578960).

Almost surely, 2^{20385461130756} is an apocalyptic number.

It is an amenable number.

20385461130756 is an abundant number, since it is smaller than the sum of its proper divisors (28461046659324).

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

20385461130756 is a wasteful number, since it uses less digits than its factorization.

20385461130756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199693244 (or 199693242 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 20385461130756 in words is "twenty trillion, three hundred eighty-five billion, four hundred sixty-one million, one hundred thirty thousand, seven hundred fifty-six".