113322020 has 24 divisors (see below), whose sum is σ = 271973184. Its totient is φ = 38853216.

The previous prime is 113321993. The next prime is 113322031. The reversal of 113322020 is 20223311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 113321986 and 113322004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404582 + ... + 404861.

It is an arithmetic number, because the mean of its divisors is an integer number (11332216).

Almost surely, 2^113322020 is an apocalyptic number.

113322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113322020 is an abundant number, since it is smaller than the sum of its proper divisors (158651164).

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

113322020 is a wasteful number, since it uses less digits than its factorization.

113322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809459 (or 809457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 113322020 is about 10645.2815838756. The cubic root of 113322020 is about 483.9176202483.

Adding to 113322020 its reverse (20223311), we get a palindrome (133545331).

The spelling of 113322020 in words is "one hundred thirteen million, three hundred twenty-two thousand, twenty".