20127167740159 has 4 divisors (see below), whose sum is σ = 20776431215680. Its totient is φ = 19477904264640.

The previous prime is 20127167740151. The next prime is 20127167740237. The reversal of 20127167740159 is 95104776172102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20127167740159 - 2³ = 20127167740151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127167740151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324631737714 + ... + 324631737775.

It is an arithmetic number, because the mean of its divisors is an integer number (5194107803920).

Almost surely, 2^{20127167740159} is an apocalyptic number.

20127167740159 is a deficient number, since it is larger than the sum of its proper divisors (649263475521).

20127167740159 is an equidigital number, since it uses as much as digits as its factorization.

20127167740159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649263475520.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 20127167740159 in words is "twenty trillion, one hundred twenty-seven billion, one hundred sixty-seven million, seven hundred forty thousand, one hundred fifty-nine".