20168119 has 2 divisors, whose sum is σ = 20168120. Its totient is φ = 20168118.

The previous prime is 20168117. The next prime is 20168129. The reversal of 20168119 is 91186102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20168119 - 2¹ = 20168117 is a prime.

It is a super-2 number, since 2×20168119² = 813506047996322, which contains 22 as substring.

Together with 20168117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20168117) by changing a digit.

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 as a sum of consecutive naturals, namely, 10084059 + 10084060.

It is an arithmetic number, because the mean of its divisors is an integer number (10084060).

Almost surely, 2^20168119 is an apocalyptic number.

20168119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20168119 is an equidigital number, since it uses as much as digits as its factorization.

20168119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 20168119 is about 4490.8928956278. The cubic root of 20168119 is about 272.2002157292.

The spelling of 20168119 in words is "twenty million, one hundred sixty-eight thousand, one hundred nineteen".