23768220 has 48 divisors (see below), whose sum is σ = 76059648. Its totient is φ = 5432640.

The previous prime is 23768219. The next prime is 23768237. The reversal of 23768220 is 2286732.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27876 + ... + 28715.

It is an arithmetic number, because the mean of its divisors is an integer number (1584576).

Almost surely, 2^23768220 is an apocalyptic number.

23768220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23768220 is an abundant number, since it is smaller than the sum of its proper divisors (52291428).

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

23768220 is a wasteful number, since it uses less digits than its factorization.

23768220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56610 (or 56608 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 23768220 is about 4875.2661465811. The cubic root of 23768220 is about 287.5183403549.

The spelling of 23768220 in words is "twenty-three million, seven hundred sixty-eight thousand, two hundred twenty".