20023000322 has 16 divisors (see below), whose sum is σ = 32356272312. Its totient is φ = 9238120320.

The previous prime is 20023000321. The next prime is 20023000331. The reversal of 20023000322 is 22300032002.

It can be written as a sum of positive squares in 4 ways, for example, as 10120561201 + 9902439121 = 100601^2 + 99511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20023000297 and 20023000306.

It is not an unprimeable number, because it can be changed into a prime (20023000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60203 + ... + 208974.

Almost surely, 2^20023000322 is an apocalyptic number.

20023000322 is a deficient number, since it is larger than the sum of its proper divisors (12333271990).

20023000322 is a wasteful number, since it uses less digits than its factorization.

20023000322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272053.

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20023000322 its reverse (22300032002), we get a palindrome (42323032324).

The spelling of 20023000322 in words is "twenty billion, twenty-three million, three hundred twenty-two", and thus it is an aban number.