20002009108 has 24 divisors (see below), whose sum is σ = 36233971200. Its totient is φ = 9649892448.

The previous prime is 20002009081. The next prime is 20002009211. The reversal of 20002009108 is 80190020002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126753 + ... + 236791.

It is an arithmetic number, because the mean of its divisors is an integer number (1509748800).

Almost surely, 2^20002009108 is an apocalyptic number.

It is an amenable number.

20002009108 is a deficient number, since it is larger than the sum of its proper divisors (16231962092).

20002009108 is a wasteful number, since it uses less digits than its factorization.

20002009108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111639 (or 111637 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 20002009108 in words is "twenty billion, two million, nine thousand, one hundred eight".