Adding to 20250 its reverse (5202), we get a palindrome (25452).
20250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 12 and base 15.
It is a zygodrome in base 5.
It is an unprimeable number.
220250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20250 is an equidigital number, since it uses as much as digits as its factorization.
20250 is an evil number, because the sum of its binary digits is even.
The square root of 20250 is about 142.3024947076. The cubic root of 20250 is about 27.2568088925.
The spelling of 20250 in words is "twenty thousand, two hundred fifty".