19969722032 has 40 divisors (see below), whose sum is σ = 43479237984. Its totient is φ = 8816062464.

The previous prime is 19969722023. The next prime is 19969722043. The reversal of 19969722032 is 23022796991.

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, 2082353 + ... + 2091920.

Almost surely, 2^19969722032 is an apocalyptic number.

It is an amenable number.

19969722032 is an abundant number, since it is smaller than the sum of its proper divisors (23509515952).

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

19969722032 is a wasteful number, since it uses less digits than its factorization.

19969722032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174317 (or 4174311 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 19969722032 in words is "nineteen billion, nine hundred sixty-nine million, seven hundred twenty-two thousand, thirty-two".