113205320 has 16 divisors (see below), whose sum is σ = 254712060. Its totient is φ = 45282112.

The previous prime is 113205319. The next prime is 113205331. The reversal of 113205320 is 23502311.

It can be written as a sum of positive squares in 2 ways, for example, as 91508356 + 21696964 = 9566^2 + 4658^2 .

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, 1415027 + ... + 1415106.

Almost surely, 2^113205320 is an apocalyptic number.

113205320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113205320 is an abundant number, since it is smaller than the sum of its proper divisors (141506740).

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

113205320 is a wasteful number, since it uses less digits than its factorization.

113205320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830144 (or 2830140 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 113205320 is about 10639.7988702795. The cubic root of 113205320 is about 483.7514490049.

Adding to 113205320 its reverse (23502311), we get a palindrome (136707631).

The spelling of 113205320 in words is "one hundred thirteen million, two hundred five thousand, three hundred twenty".