11063220 has 144 divisors (see below), whose sum is σ = 37231488. Its totient is φ = 2446080.

The previous prime is 11063147. The next prime is 11063231. The reversal of 11063220 is 2236011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11063220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155785 + ... + 155855.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^11063220 is an apocalyptic number.

11063220 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 11063220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18615744).

11063220 is an abundant number, since it is smaller than the sum of its proper divisors (26168268).

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

11063220 is a wasteful number, since it uses less digits than its factorization.

11063220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11063220 is about 3326.1419091795. The cubic root of 11063220 is about 222.8232560949.

Adding to 11063220 its reverse (2236011), we get a palindrome (13299231).

The spelling of 11063220 in words is "eleven million, sixty-three thousand, two hundred twenty".