23728020 has 48 divisors (see below), whose sum is σ = 68587008. Its totient is φ = 6122880.

The previous prime is 23728013. The next prime is 23728049. The reversal of 23728020 is 2082732.

It is a congruent number.

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, 4519 + ... + 8238.

It is an arithmetic number, because the mean of its divisors is an integer number (1428896).

Almost surely, 2^23728020 is an apocalyptic number.

23728020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23728020 is an abundant number, since it is smaller than the sum of its proper divisors (44858988).

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

23728020 is a wasteful number, since it uses less digits than its factorization.

23728020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800 (or 12798 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 23728020 is about 4871.1415499860. The cubic root of 23728020 is about 287.3561523620.

The spelling of 23728020 in words is "twenty-three million, seven hundred twenty-eight thousand, twenty".