2304556920 has 160 divisors (see below), whose sum is σ = 8013297600. Its totient is φ = 593332992.

The previous prime is 2304556909. The next prime is 2304556927. The reversal of 2304556920 is 296554032.

2304556920 is a `hidden beast` number, since 2 + 30 + 45 + 569 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304556927) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81697 + ... + 106223.

It is an arithmetic number, because the mean of its divisors is an integer number (50083110).

Almost surely, 2^2304556920 is an apocalyptic number.

2304556920 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 2304556920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4006648800).

2304556920 is an abundant number, since it is smaller than the sum of its proper divisors (5708740680).

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

2304556920 is a wasteful number, since it uses less digits than its factorization.

2304556920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579 (or 24566 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2304556920 is about 48005.8008994746. The cubic root of 2304556920 is about 1320.8773093482.

The spelling of 2304556920 in words is "two billion, three hundred four million, five hundred fifty-six thousand, nine hundred twenty".