23199620 has 12 divisors (see below), whose sum is σ = 48719244. Its totient is φ = 9279840.

The previous prime is 23199613. The next prime is 23199677. The reversal of 23199620 is 2699132.

It can be written as a sum of positive squares in 2 ways, for example, as 17372224 + 5827396 = 4168^2 + 2414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579971 + ... + 580010.

It is an arithmetic number, because the mean of its divisors is an integer number (4059937).

Almost surely, 2^23199620 is an apocalyptic number.

23199620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23199620 is an abundant number, since it is smaller than the sum of its proper divisors (25519624).

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

23199620 is a wasteful number, since it uses less digits than its factorization.

23199620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159990 (or 1159988 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 23199620 is about 4816.5983847525. The cubic root of 23199620 is about 285.2070722464.

The spelling of 23199620 in words is "twenty-three million, one hundred ninety-nine thousand, six hundred twenty".