20127565160 has 64 divisors (see below), whose sum is σ = 45530251200. Its totient is φ = 8007906816.

The previous prime is 20127565147. The next prime is 20127565187. The reversal of 20127565160 is 6156572102.

It is a self number, because there is not a number n which added to its sum of digits gives 20127565160.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6846971 + ... + 6849909.

It is an arithmetic number, because the mean of its divisors is an integer number (711410175).

Almost surely, 2^20127565160 is an apocalyptic number.

20127565160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20127565160 is an abundant number, since it is smaller than the sum of its proper divisors (25402686040).

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

20127565160 is a wasteful number, since it uses less digits than its factorization.

20127565160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 20127565160 in words is "twenty billion, one hundred twenty-seven million, five hundred sixty-five thousand, one hundred sixty".