20159119 has 2 divisors, whose sum is σ = 20159120. Its totient is φ = 20159118.

The previous prime is 20159107. The next prime is 20159137. The reversal of 20159119 is 91195102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20159119 is a prime.

It is a super-2 number, since 2×20159119² = 812780157712322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20159719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10079559 + 10079560.

It is an arithmetic number, because the mean of its divisors is an integer number (10079560).

Almost surely, 2^20159119 is an apocalyptic number.

20159119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20159119 is an equidigital number, since it uses as much as digits as its factorization.

20159119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 20159119 is about 4489.8907559093. The cubic root of 20159119 is about 272.1597200267.

The spelling of 20159119 in words is "twenty million, one hundred fifty-nine thousand, one hundred nineteen".