20596 has 12 divisors (see below), whose sum is σ = 38080.
Its totient is φ = 9720.
The previous prime is 20593. The next prime is 20599. The reversal of 20596 is 69502.
It is an interprime number because it is at equal distance from previous prime (20593) and next prime (20599).
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20593) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60 + ... + 211.
220596 is an apocalyptic number.
It is an amenable number.
20596 is a deficient number, since it is larger than the sum of its proper divisors (17484).
20596 is a wasteful number, since it uses less digits than its factorization.
20596 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294 (or 292 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 20596 is about 143.5130656073.
The cubic root of 20596 is about 27.4111734492.
It can be divided in two parts, 20 and 596, that added together give a palindrome (616).
The spelling of 20596 in words is "twenty thousand, five hundred ninety-six".