113033520 has 120 divisors (see below), whose sum is σ = 389955696. Its totient is φ = 29320704.

The previous prime is 113033519. The next prime is 113033551. The reversal of 113033520 is 25330311.

113033520 is a `hidden beast` number, since 11 + 303 + 352 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 113033493 and 113033502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24519 + ... + 28761.

Almost surely, 2^113033520 is an apocalyptic number.

113033520 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 113033520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194977848).

113033520 is an abundant number, since it is smaller than the sum of its proper divisors (276922176).

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

113033520 is a wasteful number, since it uses less digits than its factorization.

113033520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 113033520 is about 10631.7223440043. The cubic root of 113033520 is about 483.5066119362.

Adding to 113033520 its reverse (25330311), we get a palindrome (138363831).

The spelling of 113033520 in words is "one hundred thirteen million, thirty-three thousand, five hundred twenty".