20223030321 has 24 divisors (see below), whose sum is σ = 32623165120. Its totient is φ = 12444939792.

The previous prime is 20223030313. The next prime is 20223030337. The reversal of 20223030321 is 12303032202.

It is a happy number.

20223030321 is a `hidden beast` number, since 20 + 22 + 303 + 0 + 321 = 666.

It is not a de Polignac number, because 20223030321 - 2³ = 20223030313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223030294 and 20223030303.

It is not an unprimeable number, because it can be changed into a prime (20223030521) 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 23 ways as a sum of consecutive naturals, for example, 3197701 + ... + 3204018.

Almost surely, 2^20223030321 is an apocalyptic number.

It is an amenable number.

20223030321 is a deficient number, since it is larger than the sum of its proper divisors (12400134799).

20223030321 is an equidigital number, since it uses as much as digits as its factorization.

20223030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401747 (or 6401735 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20223030321 its reverse (12303032202), we get a palindrome (32526062523).

The spelling of 20223030321 in words is "twenty billion, two hundred twenty-three million, thirty thousand, three hundred twenty-one".