23320120 has 32 divisors (see below), whose sum is σ = 52779600. Its totient is φ = 9273088.

The previous prime is 23320111. The next prime is 23320133. The reversal of 23320120 is 2102332.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23320120.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5532 + ... + 8788.

Almost surely, 2^23320120 is an apocalyptic number.

23320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320120 is an abundant number, since it is smaller than the sum of its proper divisors (29459480).

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

23320120 is a wasteful number, since it uses less digits than its factorization.

23320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23320120 is about 4829.0910117744. The cubic root of 23320120 is about 285.7000130966.

Adding to 23320120 its reverse (2102332), we get a palindrome (25422452).

The spelling of 23320120 in words is "twenty-three million, three hundred twenty thousand, one hundred twenty".