20333013412 has 12 divisors (see below), whose sum is σ = 35618470300. Its totient is φ = 10156307616.

The previous prime is 20333013409. The next prime is 20333013427. The reversal of 20333013412 is 21431033302.

It can be written as a sum of positive squares in 2 ways, for example, as 6628565056 + 13704448356 = 81416^2 + 117066^2 .

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, 2545287 + ... + 2553262.

Almost surely, 2^20333013412 is an apocalyptic number.

It is an amenable number.

20333013412 is a deficient number, since it is larger than the sum of its proper divisors (15285456888).

20333013412 is a wasteful number, since it uses less digits than its factorization.

20333013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099550 (or 5099548 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20333013412 its reverse (21431033302), we get a palindrome (41764046714).

The spelling of 20333013412 in words is "twenty billion, three hundred thirty-three million, thirteen thousand, four hundred twelve".