2130225220 has 24 divisors (see below), whose sum is σ = 4474776600. Its totient is φ = 851841792.

The previous prime is 2130225211. The next prime is 2130225271. The reversal of 2130225220 is 225220312.

It can be written as a sum of positive squares in 4 ways, for example, as 956484 + 2129268736 = 978^2 + 46144^2 .

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, 65026 + ... + 92134.

It is an arithmetic number, because the mean of its divisors is an integer number (186449025).

Almost surely, 2^2130225220 is an apocalyptic number.

2130225220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130225220 is an abundant number, since it is smaller than the sum of its proper divisors (2344551380).

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

2130225220 is a wasteful number, since it uses less digits than its factorization.

2130225220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31047 (or 31045 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2130225220 is about 46154.3629573630. The cubic root of 2130225220 is about 1286.6936984426.

Adding to 2130225220 its reverse (225220312), we get a palindrome (2355445532).

The spelling of 2130225220 in words is "two billion, one hundred thirty million, two hundred twenty-five thousand, two hundred twenty".