20202442130 has 32 divisors (see below), whose sum is σ = 39184589808. Its totient is φ = 7454995200.

The previous prime is 20202442123. The next prime is 20202442193. The reversal of 20202442130 is 3124420202.

It can be written as a sum of positive squares in 8 ways, for example, as 148766809 + 20053675321 = 12197^2 + 141611^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181700 + ... + 270960.

Almost surely, 2^20202442130 is an apocalyptic number.

20202442130 is a deficient number, since it is larger than the sum of its proper divisors (18982147678).

20202442130 is a wasteful number, since it uses less digits than its factorization.

20202442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91022.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20202442130 its reverse (3124420202), we get a palindrome (23326862332).

The spelling of 20202442130 in words is "twenty billion, two hundred two million, four hundred forty-two thousand, one hundred thirty".