20202203212 has 12 divisors (see below), whose sum is σ = 35508240880. Its totient is φ = 10056991536.

The previous prime is 20202203201. The next prime is 20202203239. The reversal of 20202203212 is 21230220202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11026488 + ... + 11028319.

Almost surely, 2^20202203212 is an apocalyptic number.

It is an amenable number.

20202203212 is a deficient number, since it is larger than the sum of its proper divisors (15306037668).

20202203212 is a wasteful number, since it uses less digits than its factorization.

20202203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22055040 (or 22055038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20202203212 its reverse (21230220202), we get a palindrome (41432423414).

The spelling of 20202203212 in words is "twenty billion, two hundred two million, two hundred three thousand, two hundred twelve".