23802120 has 64 divisors (see below), whose sum is σ = 79344000. Its totient is φ = 6346944.

The previous prime is 23802109. The next prime is 23802143. The reversal of 23802120 is 2120832.

It is a happy number.

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 = 23802093 and 23802102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9940 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (1239750).

Almost surely, 2^23802120 is an apocalyptic number.

23802120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23802120 is an abundant number, since it is smaller than the sum of its proper divisors (55541880).

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

23802120 is a wasteful number, since it uses less digits than its factorization.

23802120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22059 (or 22049 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 23802120 is about 4878.7416410382. The cubic root of 23802120 is about 287.6549687534.

Adding to 23802120 its reverse (2120832), we get a palindrome (25922952).

The spelling of 23802120 in words is "twenty-three million, eight hundred two thousand, one hundred twenty".