20303020202 has 16 divisors (see below), whose sum is σ = 32565245832. Its totient is φ = 9459763200.

The previous prime is 20303020189. The next prime is 20303020211. The reversal of 20303020202 is 20202030302.

It can be written as a sum of positive squares in 4 ways, for example, as 19982932321 + 320087881 = 141361^2 + 17891^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952743 + ... + 2959610.

Almost surely, 2^20303020202 is an apocalyptic number.

20303020202 is a deficient number, since it is larger than the sum of its proper divisors (12262225630).

20303020202 is a wasteful number, since it uses less digits than its factorization.

20303020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912473.

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20303020202 its reverse (20202030302), we get a palindrome (40505050504).

The spelling of 20303020202 in words is "twenty billion, three hundred three million, twenty thousand, two hundred two".