220020221002 has 8 divisors (see below), whose sum is σ = 331446771396. Its totient is φ = 109537963872.

The previous prime is 220020220999. The next prime is 220020221011. The reversal of 220020221002 is 200122020022.

It can be written as a sum of positive squares in 2 ways, for example, as 218706810921 + 1313410081 = 467661^2 + 36241^2 .

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

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, 236072733 + ... + 236073664.

Almost surely, 2^220020221002 is an apocalyptic number.

220020221002 is a deficient number, since it is larger than the sum of its proper divisors (111426550394).

220020221002 is a wasteful number, since it uses less digits than its factorization.

220020221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472146632.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220020221002 its reverse (200122020022), we get a palindrome (420142241024).

The spelling of 220020221002 in words is "two hundred twenty billion, twenty million, two hundred twenty-one thousand, two".