113013020 has 12 divisors (see below), whose sum is σ = 237327384. Its totient is φ = 45205200.

The previous prime is 113012993. The next prime is 113013023. The reversal of 113013020 is 20310311.

It is a junction number, because it is equal to n+sod(n) for n = 113012992 and 113013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113013023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825306 + ... + 2825345.

It is an arithmetic number, because the mean of its divisors is an integer number (19777282).

Almost surely, 2^113013020 is an apocalyptic number.

113013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113013020 is an abundant number, since it is smaller than the sum of its proper divisors (124314364).

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

113013020 is a wasteful number, since it uses less digits than its factorization.

113013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650660 (or 5650658 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 113013020 is about 10630.7582043803. The cubic root of 113013020 is about 483.4773802392.

Adding to 113013020 its reverse (20310311), we get a palindrome (133323331).

It can be divided in two parts, 1130 and 13020, that multiplied together give a triangular number (14712600 = T₅₄₂₄).

The spelling of 113013020 in words is "one hundred thirteen million, thirteen thousand, twenty".