113276820 has 24 divisors (see below), whose sum is σ = 317175264. Its totient is φ = 30207136.

The previous prime is 113276819. The next prime is 113276843. The reversal of 113276820 is 28672311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943914 + ... + 944033.

It is an arithmetic number, because the mean of its divisors is an integer number (13215636).

Almost surely, 2^113276820 is an apocalyptic number.

113276820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113276820 is an abundant number, since it is smaller than the sum of its proper divisors (203898444).

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

113276820 is a wasteful number, since it uses less digits than its factorization.

113276820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887959 (or 1887957 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 113276820 is about 10643.1583658236. The cubic root of 113276820 is about 483.8532726920.

The spelling of 113276820 in words is "one hundred thirteen million, two hundred seventy-six thousand, eight hundred twenty".