2160905320 has 32 divisors (see below), whose sum is σ = 5556614400. Its totient is φ = 740881728.

The previous prime is 2160905317. The next prime is 2160905399. The reversal of 2160905320 is 235090612.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858480 + ... + 3859039.

It is an arithmetic number, because the mean of its divisors is an integer number (173644200).

Almost surely, 2^2160905320 is an apocalyptic number.

2160905320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160905320 is an abundant number, since it is smaller than the sum of its proper divisors (3395709080).

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

2160905320 is a wasteful number, since it uses less digits than its factorization.

2160905320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717537 (or 7717533 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2160905320 is about 46485.5388266071. The cubic root of 2160905320 is about 1292.8413862765.

Adding to 2160905320 its reverse (235090612), we get a palindrome (2395995932).

The spelling of 2160905320 in words is "two billion, one hundred sixty million, nine hundred five thousand, three hundred twenty".