20832907208 has 32 divisors (see below), whose sum is σ = 40410672120. Its totient is φ = 10061760000.

The previous prime is 20832907177. The next prime is 20832907229. The reversal of 20832907208 is 80270923802.

It can be written as a sum of positive squares in 4 ways, for example, as 20712390724 + 120516484 = 143918^2 + 10978^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 281303 + ... + 347558.

Almost surely, 2^20832907208 is an apocalyptic number.

It is an amenable number.

20832907208 is a deficient number, since it is larger than the sum of its proper divisors (19577764912).

20832907208 is a wasteful number, since it uses less digits than its factorization.

20832907208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629009 (or 629005 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 20832907208 in words is "twenty billion, eight hundred thirty-two million, nine hundred seven thousand, two hundred eight".