Adding to 11020 its reverse (2011), we get a palindrome (13031).
Subtracting from 11020 its reverse (2011), we obtain a palindrome (9009).
11020 is an undulating number in base 12.
211020 is an apocalyptic number.
11020 is a gapful number since it is divisible by the number (10) 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 11020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11020 is a wasteful number, since it uses less digits than its factorization.
11020 is an evil number, because the sum of its binary digits is even.
The square root of 11020 is about 104.9761877761. The cubic root of 11020 is about 22.2532714123.
The spelling of 11020 in words is "eleven thousand, twenty", and thus it is an iban number.