20313755211904 has 256 divisors, whose sum is σ = 51812424288000. Its totient is φ = 7864010219520.

The previous prime is 20313755211857. The next prime is 20313755211923. The reversal of 20313755211904 is 40911255731302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75688252 + ... + 75956164.

It is an arithmetic number, because the mean of its divisors is an integer number (202392282375).

Almost surely, 2^{20313755211904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313755211904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25906212144000).

20313755211904 is an abundant number, since it is smaller than the sum of its proper divisors (31498669076096).

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

20313755211904 is a wasteful number, since it uses less digits than its factorization.

20313755211904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268116 (or 268090 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 20313755211904 in words is "twenty trillion, three hundred thirteen billion, seven hundred fifty-five million, two hundred eleven thousand, nine hundred four".