20267327 has 2 divisors, whose sum is σ = 20267328. Its totient is φ = 20267326.

The previous prime is 20267323. The next prime is 20267329. The reversal of 20267327 is 72376202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20267327 - 2² = 20267323 is a prime.

Together with 20267329, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20267327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20267321) 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, 10133663 + 10133664.

It is an arithmetic number, because the mean of its divisors is an integer number (10133664).

Almost surely, 2^20267327 is an apocalyptic number.

20267327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20267327 is an equidigital number, since it uses as much as digits as its factorization.

20267327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20267327 is about 4501.9248105671. The cubic root of 20267327 is about 272.6458081165.

The spelling of 20267327 in words is "twenty million, two hundred sixty-seven thousand, three hundred twenty-seven".