23965020 has 72 divisors (see below), whose sum is σ = 75216960. Its totient is φ = 6168960.

The previous prime is 23965013. The next prime is 23965069. The reversal of 23965020 is 2056932.

23965020 is a `hidden beast` number, since 2 + 3 + 9 + 650 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2925 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (1044680).

Almost surely, 2^23965020 is an apocalyptic number.

23965020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23965020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37608480).

23965020 is an abundant number, since it is smaller than the sum of its proper divisors (51251940).

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

23965020 is a wasteful number, since it uses less digits than its factorization.

23965020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23965020 is about 4895.4080524508. The cubic root of 23965020 is about 288.3097073391.

The spelling of 23965020 in words is "twenty-three million, nine hundred sixty-five thousand, twenty".