20322204433 has 4 divisors (see below), whose sum is σ = 21391794160. Its totient is φ = 19252614708.

The previous prime is 20322204359. The next prime is 20322204439. The reversal of 20322204433 is 33440222302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322204433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20322204398 and 20322204407.

It is not an unprimeable number, because it can be changed into a prime (20322204439) 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 3 ways as a sum of consecutive naturals, for example, 534794835 + ... + 534794872.

It is an arithmetic number, because the mean of its divisors is an integer number (5347948540).

Almost surely, 2^20322204433 is an apocalyptic number.

It is an amenable number.

20322204433 is a deficient number, since it is larger than the sum of its proper divisors (1069589727).

20322204433 is a wasteful number, since it uses less digits than its factorization.

20322204433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069589726.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20322204433 its reverse (33440222302), we get a palindrome (53762426735).

The spelling of 20322204433 in words is "twenty billion, three hundred twenty-two million, two hundred four thousand, four hundred thirty-three".