20159127 has 12 divisors (see below), whose sum is σ = 30831840. Its totient is φ = 12648768.

The previous prime is 20159119. The next prime is 20159137. The reversal of 20159127 is 72195102.

It is not a de Polignac number, because 20159127 - 2³ = 20159119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20159127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20159107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65727 + ... + 66032.

It is an arithmetic number, because the mean of its divisors is an integer number (2569320).

Almost surely, 2^20159127 is an apocalyptic number.

20159127 is a deficient number, since it is larger than the sum of its proper divisors (10672713).

20159127 is a wasteful number, since it uses less digits than its factorization.

20159127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131782 (or 131779 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 20159127 is about 4489.8916467995. The cubic root of 20159127 is about 272.1597560282.

The spelling of 20159127 in words is "twenty million, one hundred fifty-nine thousand, one hundred twenty-seven".