20204332312 has 16 divisors (see below), whose sum is σ = 40111542360. Its totient is φ = 9507921024.

The previous prime is 20204332307. The next prime is 20204332321. The reversal of 20204332312 is 21323340202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74280498 + ... + 74280769.

Almost surely, 2^20204332312 is an apocalyptic number.

It is an amenable number.

20204332312 is a deficient number, since it is larger than the sum of its proper divisors (19907210048).

20204332312 is a wasteful number, since it uses less digits than its factorization.

20204332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148561290 (or 148561286 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20204332312 its reverse (21323340202), we get a palindrome (41527672514).

The spelling of 20204332312 in words is "twenty billion, two hundred four million, three hundred thirty-two thousand, three hundred twelve".