113737568220 has 72 divisors (see below), whose sum is σ = 352344492864. Its totient is φ = 29684696448.

The previous prime is 113737568171. The next prime is 113737568221. The reversal of 113737568220 is 22865737311.

113737568220 is a `hidden beast` number, since 1 + 1 + 37 + 37 + 568 + 2 + 20 = 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 (113737568221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6713619 + ... + 6730538.

It is an arithmetic number, because the mean of its divisors is an integer number (4893673512).

Almost surely, 2^113737568220 is an apocalyptic number.

113737568220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113737568220 is an abundant number, since it is smaller than the sum of its proper divisors (238606924644).

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

113737568220 is a wasteful number, since it uses less digits than its factorization.

113737568220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444219 (or 13444214 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 113737568220 in words is "one hundred thirteen billion, seven hundred thirty-seven million, five hundred sixty-eight thousand, two hundred twenty".