2120225530 has 16 divisors (see below), whose sum is σ = 3821024520. Its totient is φ = 847063872.

The previous prime is 2120225521. The next prime is 2120225531. The reversal of 2120225530 is 355220212.

It can be written as a sum of positive squares in 4 ways, for example, as 1040643081 + 1079582449 = 32259^2 + 32857^2 .

It is not an unprimeable number, because it can be changed into a prime (2120225531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119589 + ... + 136168.

Almost surely, 2^2120225530 is an apocalyptic number.

2120225530 is a deficient number, since it is larger than the sum of its proper divisors (1700798990).

2120225530 is a wasteful number, since it uses less digits than its factorization.

2120225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256593.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2120225530 is about 46045.9067670515. The cubic root of 2120225530 is about 1284.6772100245.

Adding to 2120225530 its reverse (355220212), we get a palindrome (2475445742).

The spelling of 2120225530 in words is "two billion, one hundred twenty million, two hundred twenty-five thousand, five hundred thirty".