20350020436256 has 48 divisors (see below), whose sum is σ = 45918742564800. Its totient is φ = 8696447504640.

The previous prime is 20350020436201. The next prime is 20350020436261. The reversal of 20350020436256 is 65263402005302.

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 7 ways as a sum of consecutive naturals, for example, 130076990 + ... + 130233341.

It is an arithmetic number, because the mean of its divisors is an integer number (956640470100).

Almost surely, 2^{20350020436256} is an apocalyptic number.

It is an amenable number.

20350020436256 is an abundant number, since it is smaller than the sum of its proper divisors (25568722128544).

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

20350020436256 is a wasteful number, since it uses less digits than its factorization.

20350020436256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260310697 (or 260310689 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 20350020436256 in words is "twenty trillion, three hundred fifty billion, twenty million, four hundred thirty-six thousand, two hundred fifty-six".