It is a happy number.
20874 is nontrivially palindromic in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 20874.
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 20874.
220874 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20874 is a wasteful number, since it uses less digits than its factorization.
20874 is an evil number, because the sum of its binary digits is even.
The square root of 20874 is about 144.4783720839. The cubic root of 20874 is about 27.5339525540.
The spelling of 20874 in words is "twenty thousand, eight hundred seventy-four".