113353220 has 24 divisors (see below), whose sum is σ = 242535384. Its totient is φ = 44485376.

The previous prime is 113353217. The next prime is 113353231. The reversal of 113353220 is 22353311.

It can be written as a sum of positive squares in 4 ways, for example, as 16370116 + 96983104 = 4046^2 + 9848^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113353192 and 113353201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52409 + ... + 54528.

It is an arithmetic number, because the mean of its divisors is an integer number (10105641).

Almost surely, 2^113353220 is an apocalyptic number.

113353220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113353220 is an abundant number, since it is smaller than the sum of its proper divisors (129182164).

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

113353220 is a wasteful number, since it uses less digits than its factorization.

113353220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106999 (or 106997 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 113353220 is about 10646.7469210083. The cubic root of 113353220 is about 483.9620271645.

Subtracting from 113353220 its reverse (22353311), we obtain a palindrome (90999909).

The spelling of 113353220 in words is "one hundred thirteen million, three hundred fifty-three thousand, two hundred twenty".