20086 has 12 divisors (see below), whose sum is σ = 33516. Its totient is φ = 9020.

The previous prime is 20071. The next prime is 20089. The reversal of 20086 is 68002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201 + ... + 283.

It is an arithmetic number, because the mean of its divisors is an integer number (2793).

2²⁰⁰⁸⁶ is an apocalyptic number.

20086 is a deficient number, since it is larger than the sum of its proper divisors (13430).

20086 is a wasteful number, since it uses less digits than its factorization.

20086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20086 is about 141.7250859940. The cubic root of 20086 is about 27.1830271851.

Adding to 20086 its sum of digits (16), we get a palindrome (20102).

Adding to 20086 its reverse (68002), we get a palindrome (88088).

The spelling of 20086 in words is "twenty thousand, eighty-six".