20203321222 has 24 divisors (see below), whose sum is σ = 35261543376. Its totient is φ = 8656402608.

The previous prime is 20203321213. The next prime is 20203321223. The reversal of 20203321222 is 22212330202.

It is a self number, because there is not a number n which added to its sum of digits gives 20203321222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203321223) 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 11 ways as a sum of consecutive naturals, for example, 404983 + ... + 452125.

It is an arithmetic number, because the mean of its divisors is an integer number (1469230974).

Almost surely, 2^20203321222 is an apocalyptic number.

20203321222 is a deficient number, since it is larger than the sum of its proper divisors (15058222154).

20203321222 is a wasteful number, since it uses less digits than its factorization.

20203321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51532 (or 51525 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20203321222 its reverse (22212330202), we get a palindrome (42415651424).

The spelling of 20203321222 in words is "twenty billion, two hundred three million, three hundred twenty-one thousand, two hundred twenty-two".