It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is an unprimeable number.
234020 is an apocalyptic number.
34020 is a gapful number since it is divisible by the number (30) 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 34020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34020 is a wasteful number, since it uses less digits than its factorization.
34020 is an evil number, because the sum of its binary digits is even.
The square root of 34020 is about 184.4451137873. The cubic root of 34020 is about 32.4024689477.
Adding to 34020 its reverse (2043), we get a palindrome (36063).
The spelling of 34020 in words is "thirty-four thousand, twenty".