113320620 has 144 divisors (see below), whose sum is σ = 407516928. Its totient is φ = 25894080.

The previous prime is 113320577. The next prime is 113320637. The reversal of 113320620 is 26023311.

113320620 is a `hidden beast` number, since 1 + 13 + 32 + 0 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113320593 and 113320602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32355 + ... + 35685.

Almost surely, 2^113320620 is an apocalyptic number.

113320620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113320620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203758464).

113320620 is an abundant number, since it is smaller than the sum of its proper divisors (294196308).

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

113320620 is a wasteful number, since it uses less digits than its factorization.

113320620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113320620 is about 10645.2158268398. The cubic root of 113320620 is about 483.9156274392.

Adding to 113320620 its reverse (26023311), we get a palindrome (139343931).

The spelling of 113320620 in words is "one hundred thirteen million, three hundred twenty thousand, six hundred twenty".