20317327 has 8 divisors (see below), whose sum is σ = 21430400. Its totient is φ = 19208664.

The previous prime is 20317279. The next prime is 20317337. The reversal of 20317327 is 72371302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20317327 - 2¹⁵ = 20284559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20317337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13318 + ... + 14764.

It is an arithmetic number, because the mean of its divisors is an integer number (2678800).

Almost surely, 2^20317327 is an apocalyptic number.

20317327 is a deficient number, since it is larger than the sum of its proper divisors (1113073).

20317327 is a wasteful number, since it uses less digits than its factorization.

20317327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 20317327 is about 4507.4745700891. The cubic root of 20317327 is about 272.8698319907.

Adding to 20317327 its reverse (72371302), we get a palindrome (92688629).

The spelling of 20317327 in words is "twenty million, three hundred seventeen thousand, three hundred twenty-seven".