23889020 has 24 divisors (see below), whose sum is σ = 50295168. Its totient is φ = 9531200.

The previous prime is 23889017. The next prime is 23889049. The reversal of 23889020 is 2098832.

It is a happy number.

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, 7925 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632).

Almost surely, 2^23889020 is an apocalyptic number.

23889020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23889020 is an abundant number, since it is smaller than the sum of its proper divisors (26406148).

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

23889020 is a wasteful number, since it uses less digits than its factorization.

23889020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 23889020 is about 4887.6395120753. The cubic root of 23889020 is about 288.0046134806.

The spelling of 23889020 in words is "twenty-three million, eight hundred eighty-nine thousand, twenty".