113332012020 has 72 divisors (see below), whose sum is σ = 343878793440. Its totient is φ = 30212637120.

The previous prime is 113332011979. The next prime is 113332012033. The reversal of 113332012020 is 20210233311.

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 = 113332011984 and 113332012002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505071 + ... + 694089.

Almost surely, 2^113332012020 is an apocalyptic number.

113332012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113332012020 is an abundant number, since it is smaller than the sum of its proper divisors (230546781420).

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

113332012020 is a wasteful number, since it uses less digits than its factorization.

113332012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192365 (or 192360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113332012020 its reverse (20210233311), we get a palindrome (133542245331).

The spelling of 113332012020 in words is "one hundred thirteen billion, three hundred thirty-two million, twelve thousand, twenty".