20003221222 has 8 divisors (see below), whose sum is σ = 30006371016. Its totient is φ = 10001097552.

The previous prime is 20003221201. The next prime is 20003221283. The reversal of 20003221222 is 22212230002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20003221196 and 20003221205.

It is a congruent number.

It is an unprimeable number.

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, 205788 + ... + 286975.

It is an arithmetic number, because the mean of its divisors is an integer number (3750796377).

Almost surely, 2^20003221222 is an apocalyptic number.

20003221222 is a deficient number, since it is larger than the sum of its proper divisors (10003149794).

20003221222 is a wasteful number, since it uses less digits than its factorization.

20003221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513062.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20003221222 its reverse (22212230002), we get a palindrome (42215451224).

The spelling of 20003221222 in words is "twenty billion, three million, two hundred twenty-one thousand, two hundred twenty-two".