20000299968 has 84 divisors (see below), whose sum is σ = 62538836568. Its totient is φ = 6060695040.

The previous prime is 20000299951. The next prime is 20000300009. The reversal of 20000299968 is 86999200002.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1571971 + ... + 1584642.

Almost surely, 2^20000299968 is an apocalyptic number.

It is an amenable number.

20000299968 is an abundant number, since it is smaller than the sum of its proper divisors (42538536600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000299968 is a wasteful number, since it uses less digits than its factorization.

20000299968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156642 (or 3156629 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 20000299968 in words is "twenty billion, two hundred ninety-nine thousand, nine hundred sixty-eight".