113452220 has 96 divisors (see below), whose sum is σ = 292699008. Its totient is φ = 36052992.

The previous prime is 113452193. The next prime is 113452223. The reversal of 113452220 is 22254311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113452192 and 113452201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113452223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 173414 + ... + 174066.

It is an arithmetic number, because the mean of its divisors is an integer number (3048948).

Almost surely, 2^113452220 is an apocalyptic number.

113452220 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 113452220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146349504).

113452220 is an abundant number, since it is smaller than the sum of its proper divisors (179246788).

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

113452220 is a wasteful number, since it uses less digits than its factorization.

113452220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 113452220 is about 10651.3952137736. The cubic root of 113452220 is about 484.1028797990.

The spelling of 113452220 in words is "one hundred thirteen million, four hundred fifty-two thousand, two hundred twenty".