Adding to 2720 its reverse (272), we get a palindrome (2992).
2720 is an undulating number in base 13.
It is a nialpdrome in base 4, base 14 and base 16.
It is a zygodrome in base 4.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 2720.
In principle, a polygon with 2720 sides can be constructed with ruler and compass.
2720 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 2720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2720 is a wasteful number, since it uses less digits than its factorization.
2720 is an evil number, because the sum of its binary digits is even.
The square root of 2720 is about 52.1536192416. The cubic root of 2720 is about 13.9590640938.
The spelling of 2720 in words is "two thousand, seven hundred twenty", and thus it is an iban number.