113023202220 has 72 divisors (see below), whose sum is σ = 363003941664. Its totient is φ = 28366606848.

The previous prime is 113023202167. The next prime is 113023202239. The reversal of 113023202220 is 22202320311.

113023202220 is a `hidden beast` number, since 1 + 1 + 302 + 320 + 22 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113023202193 and 113023202202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18464784 + ... + 18470903.

It is an arithmetic number, because the mean of its divisors is an integer number (5041721412).

Almost surely, 2^113023202220 is an apocalyptic number.

113023202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113023202220 is an abundant number, since it is smaller than the sum of its proper divisors (249980739444).

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

113023202220 is a wasteful number, since it uses less digits than its factorization.

113023202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36935719 (or 36935714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 113023202220 its reverse (22202320311), we get a palindrome (135225522531).

The spelling of 113023202220 in words is "one hundred thirteen billion, twenty-three million, two hundred two thousand, two hundred twenty".