113713979220 has 192 divisors, whose sum is σ = 360751104000. Its totient is φ = 29728743552.

The previous prime is 113713979191. The next prime is 113713979227. The reversal of 113713979220 is 22979317311.

113713979220 is a `hidden beast` number, since 1 + 1 + 37 + 1 + 397 + 9 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113713979227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12197721 + ... + 12207039.

It is an arithmetic number, because the mean of its divisors is an integer number (1878912000).

Almost surely, 2^113713979220 is an apocalyptic number.

113713979220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113713979220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180375552000).

113713979220 is an abundant number, since it is smaller than the sum of its proper divisors (247037124780).

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

113713979220 is a wasteful number, since it uses less digits than its factorization.

113713979220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779 (or 9771 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 113713979220 in words is "one hundred thirteen billion, seven hundred thirteen million, nine hundred seventy-nine thousand, two hundred twenty".