19824220568 has 16 divisors (see below), whose sum is σ = 37454159160. Its totient is φ = 9836444800.

The previous prime is 19824220553. The next prime is 19824220571. The reversal of 19824220568 is 86502242891.

It is a super-2 number, since 2×19824220568² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 9457073 + ... + 9459168.

Almost surely, 2^19824220568 is an apocalyptic number.

It is an amenable number.

19824220568 is a deficient number, since it is larger than the sum of its proper divisors (17629938592).

19824220568 is a wasteful number, since it uses less digits than its factorization.

19824220568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916378 (or 18916374 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 19824220568 in words is "nineteen billion, eight hundred twenty-four million, two hundred twenty thousand, five hundred sixty-eight".