11020320 has 96 divisors (see below), whose sum is σ = 38586240. Its totient is φ = 2937600.

The previous prime is 11020313. The next prime is 11020327. The reversal of 11020320 is 2302011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11020313) and next prime (11020327).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11020327) 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, 3045 + ... + 5595.

It is an arithmetic number, because the mean of its divisors is an integer number (401940).

Almost surely, 2^11020320 is an apocalyptic number.

11020320 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 11020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19293120).

11020320 is an abundant number, since it is smaller than the sum of its proper divisors (27565920).

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

11020320 is a wasteful number, since it uses less digits than its factorization.

11020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 11020320 is about 3319.6867322083. The cubic root of 11020320 is about 222.5348680784.

Adding to 11020320 its reverse (2302011), we get a palindrome (13322331).

The spelling of 11020320 in words is "eleven million, twenty thousand, three hundred twenty".