20223111320 has 64 divisors (see below), whose sum is σ = 47918476800. Its totient is φ = 7660033920.

The previous prime is 20223111289. The next prime is 20223111323. The reversal of 20223111320 is 2311132202.

It is a super-2 number, since 2×20223111320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223111323) 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, 2219975 + ... + 2229065.

It is an arithmetic number, because the mean of its divisors is an integer number (748726200).

Almost surely, 2^20223111320 is an apocalyptic number.

20223111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223111320 is an abundant number, since it is smaller than the sum of its proper divisors (27695365480).

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

20223111320 is a wasteful number, since it uses less digits than its factorization.

20223111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12048 (or 12044 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20223111320 its reverse (2311132202), we get a palindrome (22534243522).

The spelling of 20223111320 in words is "twenty billion, two hundred twenty-three million, one hundred eleven thousand, three hundred twenty".