11023320 has 128 divisors (see below), whose sum is σ = 41264640. Its totient is φ = 2288640.

The previous prime is 11023291. The next prime is 11023339. The reversal of 11023320 is 2332011.

It is a happy number.

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

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 11023296 and 11023305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8644 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (322380).

Almost surely, 2^11023320 is an apocalyptic number.

11023320 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 11023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20632320).

11023320 is an abundant number, since it is smaller than the sum of its proper divisors (30241320).

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

11023320 is a wasteful number, since it uses less digits than its factorization.

11023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1221 counting only the distinct ones).

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

The square root of 11023320 is about 3320.1385513258. The cubic root of 11023320 is about 222.5550593867. Note that the first 3 decimals are identical.

Adding to 11023320 its reverse (2332011), we get a palindrome (13355331).

The spelling of 11023320 in words is "eleven million, twenty-three thousand, three hundred twenty".