20507366608 has 40 divisors (see below), whose sum is σ = 39986885120. Its totient is φ = 10188270720.

The previous prime is 20507366599. The next prime is 20507366609. The reversal of 20507366608 is 80666370502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20507366609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535773 + ... + 4540291.

It is an arithmetic number, because the mean of its divisors is an integer number (999672128).

Almost surely, 2^20507366608 is an apocalyptic number.

It is an amenable number.

20507366608 is a deficient number, since it is larger than the sum of its proper divisors (19479518512).

20507366608 is a wasteful number, since it uses less digits than its factorization.

20507366608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275 (or 6269 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 20507366608 in words is "twenty billion, five hundred seven million, three hundred sixty-six thousand, six hundred eight".