20003221210 has 64 divisors (see below), whose sum is σ = 43543609344. Its totient is φ = 6467630400.

The previous prime is 20003221201. The next prime is 20003221283. The reversal of 20003221210 is 1212230002.

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 31 ways as a sum of consecutive naturals, for example, 26815 + ... + 201805.

It is an arithmetic number, because the mean of its divisors is an integer number (680368896).

Almost surely, 2^20003221210 is an apocalyptic number.

20003221210 is an abundant number, since it is smaller than the sum of its proper divisors (23540388134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003221210 is a wasteful number, since it uses less digits than its factorization.

20003221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175099.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20003221210 its reverse (1212230002), we get a palindrome (21215451212).

The spelling of 20003221210 in words is "twenty billion, three million, two hundred twenty-one thousand, two hundred ten".