113320220 has 24 divisors (see below), whose sum is σ = 256278624. Its totient is φ = 41841216.

The previous prime is 113320217. The next prime is 113320231. The reversal of 113320220 is 22023311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113320195 and 113320204.

It is a congruent number.

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, 217664 + ... + 218183.

It is an arithmetic number, because the mean of its divisors is an integer number (10678276).

Almost surely, 2^113320220 is an apocalyptic number.

113320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113320220 is an abundant number, since it is smaller than the sum of its proper divisors (142958404).

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

113320220 is a wasteful number, since it uses less digits than its factorization.

113320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435869 (or 435867 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 113320220 is about 10645.1970390407. The cubic root of 113320220 is about 483.9150580622.

Adding to 113320220 its reverse (22023311), we get a palindrome (135343531).

The spelling of 113320220 in words is "one hundred thirteen million, three hundred twenty thousand, two hundred twenty".