20203212130 has 32 divisors (see below), whose sum is σ = 36722386800. Its totient is φ = 8002132992.

The previous prime is 20203212109. The next prime is 20203212137. The reversal of 20203212130 is 3121230202.

It can be written as a sum of positive squares in 8 ways, for example, as 15264355401 + 4938856729 = 123549^2 + 70277^2 .

It is not an unprimeable number, because it can be changed into a prime (20203212137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080326 + ... + 2090014.

Almost surely, 2^20203212130 is an apocalyptic number.

20203212130 is a deficient number, since it is larger than the sum of its proper divisors (16519174670).

20203212130 is a wasteful number, since it uses less digits than its factorization.

20203212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20203212130 its reverse (3121230202), we get a palindrome (23324442332).

The spelling of 20203212130 in words is "twenty billion, two hundred three million, two hundred twelve thousand, one hundred thirty".