2120402130 has 64 divisors (see below), whose sum is σ = 6344690688. Its totient is φ = 440602560.

The previous prime is 2120402093. The next prime is 2120402153. The reversal of 2120402130 is 312040212.

2120402130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2120402130² = 8992210385817073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 456652 + ... + 461271.

It is an arithmetic number, because the mean of its divisors is an integer number (99135792).

Almost surely, 2^2120402130 is an apocalyptic number.

2120402130 is an abundant number, since it is smaller than the sum of its proper divisors (4224288558).

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

2120402130 is a wasteful number, since it uses less digits than its factorization.

2120402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917951.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120402130 is about 46047.8243785741. The cubic root of 2120402130 is about 1284.7128772516.

Adding to 2120402130 its reverse (312040212), we get a palindrome (2432442342).

The spelling of 2120402130 in words is "two billion, one hundred twenty million, four hundred two thousand, one hundred thirty".