11150220 has 48 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 2936256.

The previous prime is 11150213. The next prime is 11150221. The reversal of 11150220 is 2205111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11150196 and 11150205.

It is not an unprimeable number, because it can be changed into a prime (11150221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861 + ... + 6099.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 2^11150220 is an apocalyptic number.

11150220 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 11150220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15805440).

11150220 is an abundant number, since it is smaller than the sum of its proper divisors (20460660).

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

11150220 is a wasteful number, since it uses less digits than its factorization.

11150220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11150220 is about 3339.1945136515. The cubic root of 11150220 is about 223.4058179116.

Adding to 11150220 its reverse (2205111), we get a palindrome (13355331).

The spelling of 11150220 in words is "eleven million, one hundred fifty thousand, two hundred twenty".