20203130212 has 6 divisors (see below), whose sum is σ = 35355477878. Its totient is φ = 10101565104.

The previous prime is 20203130203. The next prime is 20203130251. The reversal of 20203130212 is 21203130202.

It can be written as a sum of positive squares in only one way, i.e., 20046029056 + 157101156 = 141584^2 + 12534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525391273 + ... + 2525391280.

Almost surely, 2^20203130212 is an apocalyptic number.

It is an amenable number.

20203130212 is a deficient number, since it is larger than the sum of its proper divisors (15152347666).

20203130212 is a wasteful number, since it uses less digits than its factorization.

20203130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050782557 (or 5050782555 counting only the distinct ones).

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

Adding to 20203130212 its reverse (21203130202), we get a palindrome (41406260414).

The spelling of 20203130212 in words is "twenty billion, two hundred three million, one hundred thirty thousand, two hundred twelve".