2393915220 has 72 divisors (see below), whose sum is σ = 7273953960. Its totient is φ = 637286400.

The previous prime is 2393915213. The next prime is 2393915239. The reversal of 2393915220 is 225193932.

2393915220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1233695376 + 1160219844 = 35124^2 + 34062^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97116 + ... + 119244.

Almost surely, 2^2393915220 is an apocalyptic number.

2393915220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2393915220 is an abundant number, since it is smaller than the sum of its proper divisors (4880038740).

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

2393915220 is a wasteful number, since it uses less digits than its factorization.

2393915220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22745 (or 22740 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2393915220 is about 48927.6529173432. The cubic root of 2393915220 is about 1337.7334558569.

The spelling of 2393915220 in words is "two billion, three hundred ninety-three million, nine hundred fifteen thousand, two hundred twenty".