Adding to 20352 its reverse (25302), we get a palindrome (45654).
Subtracting 20352 from its reverse (25302), we obtain a triangular number (4950 = T99).
It is a tau number, because it is divible by the number of its divisors (32).
It is a d-powerful number, because it can be written as 25 + 0 + 39 + 53 + 29 .
It is a nialpdrome in base 12.
It is a congruent number.
20352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
220352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20352 is an equidigital number, since it uses as much as digits as its factorization.
20352 is an evil number, because the sum of its binary digits is even.
The square root of 20352 is about 142.6604360010. The cubic root of 20352 is about 27.3024967862.
The spelling of 20352 in words is "twenty thousand, three hundred fifty-two".