20199650708 has 24 divisors (see below), whose sum is σ = 35918975232. Its totient is φ = 9937439424.

The previous prime is 20199650707. The next prime is 20199650719. The reversal of 20199650708 is 80705699102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20199650707) 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, 187616 + ... + 274952.

It is an arithmetic number, because the mean of its divisors is an integer number (1496623968).

Almost surely, 2^20199650708 is an apocalyptic number.

It is an amenable number.

20199650708 is a deficient number, since it is larger than the sum of its proper divisors (15719324524).

20199650708 is a wasteful number, since it uses less digits than its factorization.

20199650708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88271 (or 88269 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 20199650708 in words is "twenty billion, one hundred ninety-nine million, six hundred fifty thousand, seven hundred eight".