2130320420 has 24 divisors (see below), whose sum is σ = 4475902200. Its totient is φ = 851703552.

The previous prime is 2130320419. The next prime is 2130320441. The reversal of 2130320420 is 240230312.

It can be written as a sum of positive squares in 4 ways, for example, as 591170596 + 1539149824 = 24314^2 + 39232^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16286 + ... + 67274.

It is an arithmetic number, because the mean of its divisors is an integer number (186495925).

Almost surely, 2^2130320420 is an apocalyptic number.

2130320420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130320420 is an abundant number, since it is smaller than the sum of its proper divisors (2345581780).

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

2130320420 is a wasteful number, since it uses less digits than its factorization.

2130320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53087 (or 53085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2130320420 is about 46155.3942676260. The cubic root of 2130320420 is about 1286.7128656515.

Adding to 2130320420 its reverse (240230312), we get a palindrome (2370550732).

The spelling of 2130320420 in words is "two billion, one hundred thirty million, three hundred twenty thousand, four hundred twenty".