2000 is nontrivially palindromic in base 7, base 9 and base 13.
2000 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
It is a tau number, because it is divible by the number of its divisors (20).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
2000 is an undulating number in base 13.
2000 is a nontrivial repdigit in base 7.
It is a plaindrome in base 7 and base 11.
It is a nialpdrome in base 5, base 7 and base 10.
It is a zygodrome in base 7.
It is a congruent number.
22000 is an apocalyptic number.
2000 is a gapful number since it is divisible by the number (20) 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 2000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2000 is an equidigital number, since it uses as much as digits as its factorization.
2000 is an evil number, because the sum of its binary digits is even.
The square root of 2000 is about 44.7213595500. The cubic root of 2000 is about 12.5992104989.