20131113022320 has 160 divisors (see below), whose sum is σ = 66473093449728. Its totient is φ = 5022259892224.

The previous prime is 20131113022259. The next prime is 20131113022331. The reversal of 20131113022320 is 2322031113102.

20131113022320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14091384 + ... + 15454103.

Almost surely, 2^{20131113022320} is an apocalyptic number.

20131113022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131113022320 is an abundant number, since it is smaller than the sum of its proper divisors (46341980427408).

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

20131113022320 is a wasteful number, since it uses less digits than its factorization.

20131113022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29545687 (or 29545681 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20131113022320 its reverse (2322031113102), we get a palindrome (22453144135422).

The spelling of 20131113022320 in words is "twenty trillion, one hundred thirty-one billion, one hundred thirteen million, twenty-two thousand, three hundred twenty".