11020320223 has 4 divisors (see below), whose sum is σ = 12022167528. Its totient is φ = 10018472920.

The previous prime is 11020320217. The next prime is 11020320271. The reversal of 11020320223 is 32202302011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020320223 - 2¹⁷ = 11020189151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020320197 and 11020320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020320923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500923636 + ... + 500923657.

It is an arithmetic number, because the mean of its divisors is an integer number (3005541882).

Almost surely, 2^11020320223 is an apocalyptic number.

11020320223 is a deficient number, since it is larger than the sum of its proper divisors (1001847305).

11020320223 is a wasteful number, since it uses less digits than its factorization.

11020320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001847304.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11020320223 its reverse (32202302011), we get a palindrome (43222622234).

The spelling of 11020320223 in words is "eleven billion, twenty million, three hundred twenty thousand, two hundred twenty-three".