20202930202 has 24 divisors (see below), whose sum is σ = 37963750356. Its totient is φ = 7992367488.

The previous prime is 20202930199. The next prime is 20202930211. The reversal of 20202930202 is 20203920202.

It can be written as a sum of positive squares in 2 ways, for example, as 17103669961 + 3099260241 = 130781^2 + 55671^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7927663 + ... + 7930210.

Almost surely, 2^20202930202 is an apocalyptic number.

20202930202 is a deficient number, since it is larger than the sum of its proper divisors (17760820154).

20202930202 is a wasteful number, since it uses less digits than its factorization.

20202930202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857902 (or 15857895 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Multiplying 20202930202 by its sum of digits (22), we get a palindrome (444464464444).

The spelling of 20202930202 in words is "twenty billion, two hundred two million, nine hundred thirty thousand, two hundred two".