113029220 has 12 divisors (see below), whose sum is σ = 237361404. Its totient is φ = 45211680.

The previous prime is 113029207. The next prime is 113029237. The reversal of 113029220 is 22920311.

It can be written as a sum of positive squares in 2 ways, for example, as 35307364 + 77721856 = 5942^2 + 8816^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5651461 = 113029220 / (1 + 1 + 3 + 0 + 2 + 9 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 113029192 and 113029201.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2825711 + ... + 2825750.

It is an arithmetic number, because the mean of its divisors is an integer number (19780117).

Almost surely, 2^113029220 is an apocalyptic number.

113029220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113029220 is an abundant number, since it is smaller than the sum of its proper divisors (124332184).

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

113029220 is a wasteful number, since it uses less digits than its factorization.

113029220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651470 (or 5651468 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 113029220 is about 10631.5201170858. The cubic root of 113029220 is about 483.5004807024.

Adding to 113029220 its reverse (22920311), we get a palindrome (135949531).

The spelling of 113029220 in words is "one hundred thirteen million, twenty-nine thousand, two hundred twenty".