11200220 has 24 divisors (see below), whose sum is σ = 23753184. Its totient is φ = 4435776.

The previous prime is 11200213. The next prime is 11200237. The reversal of 11200220 is 2200211.

It is a junction number, because it is equal to n+sod(n) for n = 11200198 and 11200207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (989716).

Almost surely, 2^11200220 is an apocalyptic number.

11200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200220 is an abundant number, since it is smaller than the sum of its proper divisors (12552964).

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

11200220 is a wasteful number, since it uses less digits than its factorization.

11200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549 (or 5547 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 11200220 is about 3346.6729747617. The cubic root of 11200220 is about 223.7392533565.

Adding to 11200220 its reverse (2200211), we get a palindrome (13400431).

Subtracting from 11200220 its reverse (2200211), we obtain a palindrome (9000009).

The spelling of 11200220 in words is "eleven million, two hundred thousand, two hundred twenty".