20203113130 has 16 divisors (see below), whose sum is σ = 36367645320. Its totient is φ = 8080791552.

The previous prime is 20203113113. The next prime is 20203113131. The reversal of 20203113130 is 3131130202.

It can be written as a sum of positive squares in 4 ways, for example, as 19602520081 + 600593049 = 140009^2 + 24507^2 .

It is not an unprimeable number, because it can be changed into a prime (20203113131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175642 + ... + 266938.

Almost surely, 2^20203113130 is an apocalyptic number.

20203113130 is a deficient number, since it is larger than the sum of its proper divisors (16164532190).

20203113130 is a wasteful number, since it uses less digits than its factorization.

20203113130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113433.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20203113130 its reverse (3131130202), we get a palindrome (23334243332).

The spelling of 20203113130 in words is "twenty billion, two hundred three million, one hundred thirteen thousand, one hundred thirty".