23629820 has 24 divisors (see below), whose sum is σ = 49778064. Its totient is φ = 9422336.

The previous prime is 23629799. The next prime is 23629829. The reversal of 23629820 is 2892632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23629829) 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, 5387 + ... + 8733.

It is an arithmetic number, because the mean of its divisors is an integer number (2074086).

Almost surely, 2^23629820 is an apocalyptic number.

23629820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23629820 is an abundant number, since it is smaller than the sum of its proper divisors (26148244).

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

23629820 is a wasteful number, since it uses less digits than its factorization.

23629820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 23629820 is about 4861.0513266165. The cubic root of 23629820 is about 286.9591900113.

The spelling of 23629820 in words is "twenty-three million, six hundred twenty-nine thousand, eight hundred twenty".