20117727248 has 20 divisors (see below), whose sum is σ = 39447714768. Its totient is φ = 9937671840.

The previous prime is 20117727221. The next prime is 20117727277. The reversal of 20117727248 is 84272771102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7573118 + ... + 7575773.

Almost surely, 2^20117727248 is an apocalyptic number.

It is an amenable number.

20117727248 is a deficient number, since it is larger than the sum of its proper divisors (19329987520).

20117727248 is a wasteful number, since it uses less digits than its factorization.

20117727248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15148982 (or 15148976 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 41.

The spelling of 20117727248 in words is "twenty billion, one hundred seventeen million, seven hundred twenty-seven thousand, two hundred forty-eight".