11235220 has 12 divisors (see below), whose sum is σ = 23594004. Its totient is φ = 4494080.

The previous prime is 11235199. The next prime is 11235221. The reversal of 11235220 is 2253211.

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 3825936 = 2722^2 + 1956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11235194 and 11235203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11235221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280861 + ... + 280900.

It is an arithmetic number, because the mean of its divisors is an integer number (1966167).

Almost surely, 2^11235220 is an apocalyptic number.

11235220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11235220 is an abundant number, since it is smaller than the sum of its proper divisors (12358784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11235220 is a wasteful number, since it uses less digits than its factorization.

11235220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561770 (or 561768 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11235220 is about 3351.8979698076. The cubic root of 11235220 is about 223.9720681583.

Adding to 11235220 its reverse (2253211), we get a palindrome (13488431).

Subtracting from 11235220 its reverse (2253211), we obtain a square (8982009 = 2997²).

The spelling of 11235220 in words is "eleven million, two hundred thirty-five thousand, two hundred twenty".