113112232020 has 72 divisors (see below), whose sum is σ = 344645822976. Its totient is φ = 30027989952.

The previous prime is 113112232003. The next prime is 113112232027. The reversal of 113112232020 is 20232211311.

113112232020 is a `hidden beast` number, since 11 + 311 + 2 + 2 + 320 + 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 = 113112231984 and 113112232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112232027) 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, 1368832 + ... + 1449111.

Almost surely, 2^113112232020 is an apocalyptic number.

113112232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112232020 is an abundant number, since it is smaller than the sum of its proper divisors (231533590956).

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

113112232020 is a wasteful number, since it uses less digits than its factorization.

113112232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818181 (or 2818176 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113112232020 its reverse (20232211311), we get a palindrome (133344443331).

The spelling of 113112232020 in words is "one hundred thirteen billion, one hundred twelve million, two hundred thirty-two thousand, twenty".