20333336992 has 12 divisors (see below), whose sum is σ = 40031257266. Its totient is φ = 10166668480.

The previous prime is 20333336987. The next prime is 20333336993. The reversal of 20333336992 is 29963333302.

It can be written as a sum of positive squares in only one way, i.e., 12778945936 + 7554391056 = 113044^2 + 86916^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20333336993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317708359 + ... + 317708422.

Almost surely, 2^20333336992 is an apocalyptic number.

It is an amenable number.

20333336992 is a deficient number, since it is larger than the sum of its proper divisors (19697920274).

20333336992 is an equidigital number, since it uses as much as digits as its factorization.

20333336992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635416791 (or 635416783 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 43.

The spelling of 20333336992 in words is "twenty billion, three hundred thirty-three million, three hundred thirty-six thousand, nine hundred ninety-two".