23776220 has 48 divisors (see below), whose sum is σ = 56612640. Its totient is φ = 8315136.

The previous prime is 23776199. The next prime is 23776243. The reversal of 23776220 is 2267732.

It is a super-3 number, since 3×23776220³ (a number of 23 digits) contains 333 as substring.

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, 2534 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (1179430).

Almost surely, 2^23776220 is an apocalyptic number.

23776220 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 23776220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28306320).

23776220 is an abundant number, since it is smaller than the sum of its proper divisors (32836420).

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

23776220 is a wasteful number, since it uses less digits than its factorization.

23776220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854 (or 4852 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 23776220 is about 4876.0865455814. The cubic root of 23776220 is about 287.5505947504.

The spelling of 23776220 in words is "twenty-three million, seven hundred seventy-six thousand, two hundred twenty".