19952596896 has 24 divisors (see below), whose sum is σ = 52375567104. Its totient is φ = 6650865600.

The previous prime is 19952596847. The next prime is 19952596921. The reversal of 19952596896 is 69869525991.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×19952596896² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19952596896.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103919680 + ... + 103919871.

It is an arithmetic number, because the mean of its divisors is an integer number (2182315296).

Almost surely, 2^19952596896 is an apocalyptic number.

19952596896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19952596896 is an abundant number, since it is smaller than the sum of its proper divisors (32422970208).

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

19952596896 is a wasteful number, since it uses less digits than its factorization.

19952596896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207839564 (or 207839556 counting only the distinct ones).

The product of its digits is 94478400, while the sum is 69.

The spelling of 19952596896 in words is "nineteen billion, nine hundred fifty-two million, five hundred ninety-six thousand, eight hundred ninety-six".