2160508220 has 96 divisors (see below), whose sum is σ = 5207666688. Its totient is φ = 746710272.

The previous prime is 2160508193. The next prime is 2160508237. The reversal of 2160508220 is 228050612.

It is a super-3 number, since 3×2160508220³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2160508220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277217 + ... + 284903.

It is an arithmetic number, because the mean of its divisors is an integer number (54246528).

Almost surely, 2^2160508220 is an apocalyptic number.

2160508220 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 2160508220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603833344).

2160508220 is an abundant number, since it is smaller than the sum of its proper divisors (3047158468).

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

2160508220 is a wasteful number, since it uses less digits than its factorization.

2160508220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779 (or 7777 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2160508220 is about 46481.2674095705. The cubic root of 2160508220 is about 1292.7621881798.

Adding to 2160508220 its reverse (228050612), we get a palindrome (2388558832).

The spelling of 2160508220 in words is "two billion, one hundred sixty million, five hundred eight thousand, two hundred twenty".