20303303312 has 40 divisors (see below), whose sum is σ = 39473723520. Its totient is φ = 10116604160.

The previous prime is 20303303297. The next prime is 20303303323. The reversal of 20303303312 is 21330330302.

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, 6992453 + ... + 6995355.

It is an arithmetic number, because the mean of its divisors is an integer number (986843088).

Almost surely, 2^20303303312 is an apocalyptic number.

It is an amenable number.

20303303312 is a deficient number, since it is larger than the sum of its proper divisors (19170420208).

20303303312 is a wasteful number, since it uses less digits than its factorization.

20303303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20303303312 its reverse (21330330302), we get a palindrome (41633633614).

The spelling of 20303303312 in words is "twenty billion, three hundred three million, three hundred three thousand, three hundred twelve".