2120225015 has 16 divisors (see below), whose sum is σ = 2566071360. Its totient is φ = 1681678080.

The previous prime is 2120225011. The next prime is 2120225033. The reversal of 2120225015 is 5105220212.

It is a happy number.

It is not a de Polignac number, because 2120225015 - 2² = 2120225011 is a prime.

It is a super-2 number, since 2×2120225015² = 8990708228463500450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120225011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758270 + ... + 761060.

It is an arithmetic number, because the mean of its divisors is an integer number (160379460).

Almost surely, 2^2120225015 is an apocalyptic number.

2120225015 is a deficient number, since it is larger than the sum of its proper divisors (445846345).

2120225015 is a wasteful number, since it uses less digits than its factorization.

2120225015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2120225015 is about 46045.9011748060. The cubic root of 2120225015 is about 1284.6771060090.

Adding to 2120225015 its reverse (5105220212), we get a palindrome (7225445227).

The spelling of 2120225015 in words is "two billion, one hundred twenty million, two hundred twenty-five thousand, fifteen".