20496568368 has 80 divisors (see below), whose sum is σ = 53168517632. Its totient is φ = 6804000000.

The previous prime is 20496568361. The next prime is 20496568373. The reversal of 20496568368 is 86386569402.

It is not an unprimeable number, because it can be changed into a prime (20496568361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19501443 + ... + 19502493.

Almost surely, 2^20496568368 is an apocalyptic number.

It is an amenable number.

20496568368 is an abundant number, since it is smaller than the sum of its proper divisors (32671949264).

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

20496568368 is a wasteful number, since it uses less digits than its factorization.

20496568368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 20496568368 in words is "twenty billion, four hundred ninety-six million, five hundred sixty-eight thousand, three hundred sixty-eight".