20367 has 12 divisors (see below), whose sum is σ = 30784.
Its totient is φ = 12960.
The previous prime is 20359. The next prime is 20369. The reversal of 20367 is 76302.
Adding to 20367 its reverse (76302), we get a palindrome (96669).
It is not a de Polignac number, because 20367 - 23 = 20359 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 12.
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 20367.
It is not an unprimeable number, because it can be changed into a prime (20369) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243 + ... + 315.
220367 is an apocalyptic number.
20367 is a deficient number, since it is larger than the sum of its proper divisors (10417).
20367 is a wasteful number, since it uses less digits than its factorization.
20367 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110 (or 107 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 20367 is about 142.7129987072.
The cubic root of 20367 is about 27.3092027100.
The spelling of 20367 in words is "twenty thousand, three hundred sixty-seven".