20127000979 has 8 divisors (see below), whose sum is σ = 21190357440. Its totient is φ = 19064048616.

The previous prime is 20127000967. The next prime is 20127000997. The reversal of 20127000979 is 97900072102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20127000979 - 2⁷ = 20127000851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20127000919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4032 + ... + 200674.

It is an arithmetic number, because the mean of its divisors is an integer number (2648794680).

Almost surely, 2^20127000979 is an apocalyptic number.

20127000979 is a deficient number, since it is larger than the sum of its proper divisors (1063356461).

20127000979 is a wasteful number, since it uses less digits than its factorization.

20127000979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202049.

The product of its (nonzero) digits is 15876, while the sum is 37.

The spelling of 20127000979 in words is "twenty billion, one hundred twenty-seven million, nine hundred seventy-nine", and thus it is an aban number.