113589220 has 48 divisors (see below), whose sum is σ = 252120960. Its totient is φ = 42868224.

The previous prime is 113589209. The next prime is 113589247. The reversal of 113589220 is 22985311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127617 + ... + 128503.

It is an arithmetic number, because the mean of its divisors is an integer number (5252520).

Almost surely, 2^113589220 is an apocalyptic number.

113589220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113589220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126060480).

113589220 is an abundant number, since it is smaller than the sum of its proper divisors (138531740).

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

113589220 is a wasteful number, since it uses less digits than its factorization.

113589220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 113589220 is about 10657.8243558430. The cubic root of 113589220 is about 484.2976619917.

The spelling of 113589220 in words is "one hundred thirteen million, five hundred eighty-nine thousand, two hundred twenty".