113324220 has 144 divisors (see below), whose sum is σ = 370685952. Its totient is φ = 27941760.

The previous prime is 113324213. The next prime is 113324231. The reversal of 113324220 is 22423311.

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 = 113324193 and 113324202.

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, 127899 + ... + 128781.

It is an arithmetic number, because the mean of its divisors is an integer number (2574208).

Almost surely, 2^113324220 is an apocalyptic number.

113324220 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 113324220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185342976).

113324220 is an abundant number, since it is smaller than the sum of its proper divisors (257361732).

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

113324220 is a wasteful number, since it uses less digits than its factorization.

113324220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113324220 is about 10645.3849155397. The cubic root of 113324220 is about 483.9207517723.

Adding to 113324220 its reverse (22423311), we get a palindrome (135747531).

Subtracting from 113324220 its reverse (22423311), we obtain a palindrome (90900909).

The spelling of 113324220 in words is "one hundred thirteen million, three hundred twenty-four thousand, two hundred twenty".