20214319 has 2 divisors, whose sum is σ = 20214320. Its totient is φ = 20214318.

The previous prime is 20214289. The next prime is 20214323. The reversal of 20214319 is 91341202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20214319 - 2⁵ = 20214287 is a prime.

It is a super-2 number, since 2×20214319² = 817237385267522, which contains 22 as substring.

It is equal to p_1283341 and since 20214319 and 1283341 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20214319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20214329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107159 + 10107160.

It is an arithmetic number, because the mean of its divisors is an integer number (10107160).

Almost surely, 2^20214319 is an apocalyptic number.

20214319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214319 is an equidigital number, since it uses as much as digits as its factorization.

20214319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 20214319 is about 4496.0336964929. The cubic root of 20214319 is about 272.4079042372.

The spelling of 20214319 in words is "twenty million, two hundred fourteen thousand, three hundred nineteen".