20030020102221 has 32 divisors (see below), whose sum is σ = 27922599936000. Its totient is φ = 12747694996608.

The previous prime is 20030020102219. The next prime is 20030020102223. The reversal of 20030020102221 is 12220102003002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20030020102219) and next prime (20030020102223).

It is not a de Polignac number, because 20030020102221 - 2¹ = 20030020102219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20030020102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030020102223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87150985 + ... + 87380513.

It is an arithmetic number, because the mean of its divisors is an integer number (872581248000).

Almost surely, 2^{20030020102221} is an apocalyptic number.

It is an amenable number.

20030020102221 is a deficient number, since it is larger than the sum of its proper divisors (7892579833779).

20030020102221 is a wasteful number, since it uses less digits than its factorization.

20030020102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232033.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20030020102221 its reverse (12220102003002), we get a palindrome (32250122105223).

The spelling of 20030020102221 in words is "twenty trillion, thirty billion, twenty million, one hundred two thousand, two hundred twenty-one".