11033220 has 96 divisors (see below), whose sum is σ = 34312320. Its totient is φ = 2626560.

The previous prime is 11033201. The next prime is 11033227. The reversal of 11033220 is 2233011.

It is a happy number.

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 = 11033196 and 11033205.

It is not an unprimeable number, because it can be changed into a prime (11033227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48066 + ... + 48294.

It is an arithmetic number, because the mean of its divisors is an integer number (357420).

Almost surely, 2^11033220 is an apocalyptic number.

11033220 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 11033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17156160).

11033220 is an abundant number, since it is smaller than the sum of its proper divisors (23279100).

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

11033220 is a wasteful number, since it uses less digits than its factorization.

11033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 11033220 is about 3321.6291183695. The cubic root of 11033220 is about 222.6216647235.

Adding to 11033220 its reverse (2233011), we get a palindrome (13266231).

The spelling of 11033220 in words is "eleven million, thirty-three thousand, two hundred twenty".