11220020223 has 8 divisors (see below), whose sum is σ = 14970976128. Its totient is φ = 7474538904.

The previous prime is 11220020219. The next prime is 11220020243. The reversal of 11220020223 is 32202002211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11220020223 - 2² = 11220020219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220020243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363861 + ... + 1372062.

It is an arithmetic number, because the mean of its divisors is an integer number (1871372016).

Almost surely, 2^11220020223 is an apocalyptic number.

11220020223 is a deficient number, since it is larger than the sum of its proper divisors (3750955905).

11220020223 is a wasteful number, since it uses less digits than its factorization.

11220020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737293.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 11220020223 its reverse (32202002211), we get a palindrome (43422022434).

The spelling of 11220020223 in words is "eleven billion, two hundred twenty million, twenty thousand, two hundred twenty-three".