Subtracting from 20832 its product of nonzero digits (96), we obtain a 4-th power (20736 = 124).
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
220832 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 20832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20832 is a wasteful number, since it uses less digits than its factorization.
20832 is an odious number, because the sum of its binary digits is odd.
The square root of 20832 is about 144.3329484213. The cubic root of 20832 is about 27.5154733856.
The spelling of 20832 in words is "twenty thousand, eight hundred thirty-two".