13222023020 has 48 divisors (see below), whose sum is σ = 29771763840. Its totient is φ = 4914683904.

The previous prime is 13222023011. The next prime is 13222023077. The reversal of 13222023020 is 2032022231.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13222023020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219269 + ... + 272988.

It is an arithmetic number, because the mean of its divisors is an integer number (620245080).

Almost surely, 2^13222023020 is an apocalyptic number.

13222023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222023020 is an abundant number, since it is smaller than the sum of its proper divisors (16549740820).

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

13222023020 is a wasteful number, since it uses less digits than its factorization.

13222023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492362 (or 492360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 13222023020 its reverse (2032022231), we get a palindrome (15254045251).

The spelling of 13222023020 in words is "thirteen billion, two hundred twenty-two million, twenty-three thousand, twenty".