It is a nialpdrome in base 12.
It is a zygodrome 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 20592.
20592 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
220592 is an apocalyptic number.
20592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20592 is a wasteful number, since it uses less digits than its factorization.
20592 is an odious number, because the sum of its binary digits is odd.
The square root of 20592 is about 143.4991289172. The cubic root of 20592 is about 27.4093988038.
The spelling of 20592 in words is "twenty thousand, five hundred ninety-two".