It is a tau number, because it is divible by the number of its divisors (32).
It is a nialpdrome in base 14.
It is an unprimeable number.
20608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
220608 is an apocalyptic number.
20608 is a gapful number since it is divisible by the number (28) 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 20608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20608 is an equidigital number, since it uses as much as digits as its factorization.
20608 is an odious number, because the sum of its binary digits is odd.
The square root of 20608 is about 143.5548675594. The cubic root of 20608 is about 27.4164960073.
The spelling of 20608 in words is "twenty thousand, six hundred eight".