113201332020 has 144 divisors (see below), whose sum is σ = 403037701248. Its totient is φ = 25175266560.

The previous prime is 113201332019. The next prime is 113201332037. The reversal of 113201332020 is 20233102311.

113201332020 is a `hidden beast` number, since 1 + 1 + 320 + 1 + 3 + 320 + 20 = 666.

It is a super-2 number, since 2×113201332020² (a number of 23 digits) contains 22 as substring.

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 = 113201331984 and 113201332002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1167466 + ... + 1260705.

Almost surely, 2^113201332020 is an apocalyptic number.

113201332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113201332020 is an abundant number, since it is smaller than the sum of its proper divisors (289836369228).

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

113201332020 is a wasteful number, since it uses less digits than its factorization.

113201332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428230 (or 2428225 counting only the distinct ones).

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

Adding to 113201332020 its reverse (20233102311), we get a palindrome (133434434331).

The spelling of 113201332020 in words is "one hundred thirteen billion, two hundred one million, three hundred thirty-two thousand, twenty".