113618020 has 12 divisors (see below), whose sum is σ = 238597884. Its totient is φ = 45447200.

The previous prime is 113618017. The next prime is 113618033. The reversal of 113618020 is 20816311.

It can be written as a sum of positive squares in 2 ways, for example, as 31606884 + 82011136 = 5622^2 + 9056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113617982 and 113618000.

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, 2840431 + ... + 2840470.

It is an arithmetic number, because the mean of its divisors is an integer number (19883157).

Almost surely, 2^113618020 is an apocalyptic number.

113618020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113618020 is an abundant number, since it is smaller than the sum of its proper divisors (124979864).

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

113618020 is a wasteful number, since it uses less digits than its factorization.

113618020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680910 (or 5680908 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 113618020 is about 10659.1753902448. The cubic root of 113618020 is about 484.3385889800.

The spelling of 113618020 in words is "one hundred thirteen million, six hundred eighteen thousand, twenty".