20327 has 2 divisors, whose sum is σ = 20328. Its totient is φ = 20326.

The previous prime is 20323. The next prime is 20333. The reversal of 20327 is 72302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20327 - 2^{2} = 20323 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 20327.

It is not a weakly prime, because it can be changed into another prime (20323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163 + 10164.

It is an arithmetic number, because the mean of its divisors is an integer number (10164).

2^{20327} is an apocalyptic number.

20327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20327 is an equidigital number, since it uses as much as digits as its factorization.

20327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 20327 is about 142.5727884275. The cubic root of 20327 is about 27.2913129207.

Adding to 20327 its reverse (72302), we get a palindrome (92629).

The spelling of 20327 in words is "twenty thousand, three hundred twenty-seven", and thus it is an iban number.

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