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20167 = 74367
BaseRepresentation
bin100111011000111
31000122221
410323013
51121132
6233211
7112540
oct47307
930587
1020167
1114174
12b807
139244
1474c7
155e97
hex4ec7

20167 has 8 divisors (see below), whose sum is σ = 23936. Its totient is φ = 16632.

The previous prime is 20161. The next prime is 20173. The reversal of 20167 is 76102.

It is an interprime number because it is at equal distance from previous prime (20161) and next prime (20173).

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

It is not a de Polignac number, because 20167 - 211 = 18119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 334.

It is an arithmetic number, because the mean of its divisors is an integer number (2992).

220167 is an apocalyptic number.

20167 is a deficient number, since it is larger than the sum of its proper divisors (3769).

20167 is an equidigital number, since it uses as much as digits as its factorization.

20167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 20167 is about 142.0105629874. The cubic root of 20167 is about 27.2195181419.

Adding to 20167 its reverse (76102), we get a palindrome (96269).

The spelling of 20167 in words is "twenty thousand, one hundred sixty-seven".

Divisors: 1 7 43 67 301 469 2881 20167