20003321223 has 20 divisors (see below), whose sum is σ = 29894130288. Its totient is φ = 13329912960.

The previous prime is 20003321209. The next prime is 20003321251. The reversal of 20003321223 is 32212330002.

It is a happy number.

It is not a de Polignac number, because 20003321223 - 2⁶ = 20003321159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003321196 and 20003321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003321263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 145303 + ... + 247223.

Almost surely, 2^20003321223 is an apocalyptic number.

20003321223 is a deficient number, since it is larger than the sum of its proper divisors (9890809065).

20003321223 is a wasteful number, since it uses less digits than its factorization.

20003321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104356 (or 104347 counting only the distinct ones).

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

Adding to 20003321223 its reverse (32212330002), we get a palindrome (52215651225).

The spelling of 20003321223 in words is "twenty billion, three million, three hundred twenty-one thousand, two hundred twenty-three".