23200120 has 32 divisors (see below), whose sum is σ = 52340400. Its totient is φ = 9255168.

The previous prime is 23200117. The next prime is 23200127. The reversal of 23200120 is 2100232.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 23200097 and 23200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24292 + ... + 25228.

Almost surely, 2^23200120 is an apocalyptic number.

23200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23200120 is an abundant number, since it is smaller than the sum of its proper divisors (29140280).

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

23200120 is a wasteful number, since it uses less digits than its factorization.

23200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23200120 is about 4816.6502883228. The cubic root of 23200120 is about 285.2091211667.

Adding to 23200120 its reverse (2100232), we get a palindrome (25300352).

The spelling of 23200120 in words is "twenty-three million, two hundred thousand, one hundred twenty".