2130420244 has 12 divisors (see below), whose sum is σ = 3738920500. Its totient is φ = 1062157248.

The previous prime is 2130420233. The next prime is 2130420283. The reversal of 2130420244 is 4420240312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 529460100 + 1600960144 = 23010^2 + 40012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761649 + ... + 764440.

Almost surely, 2^2130420244 is an apocalyptic number.

It is an amenable number.

2130420244 is a deficient number, since it is larger than the sum of its proper divisors (1608500256).

2130420244 is a wasteful number, since it uses less digits than its factorization.

2130420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526442 (or 1526440 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2130420244 is about 46156.4756453523. The cubic root of 2130420244 is about 1286.7329632259.

Adding to 2130420244 its reverse (4420240312), we get a palindrome (6550660556).

The spelling of 2130420244 in words is "two billion, one hundred thirty million, four hundred twenty thousand, two hundred forty-four".