220020020020221 has 16 divisors (see below), whose sum is σ = 298895636324736. Its totient is φ = 143912218064576.

The previous prime is 220020020020189. The next prime is 220020020020301. The reversal of 220020020020221 is 122020020020022.

220020020020221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220020020020221 - 2⁵ = 220020020020189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220020020020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020020020121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158516191 + ... + 159898163.

It is an arithmetic number, because the mean of its divisors is an integer number (18680977270296).

Almost surely, 2^{220020020020221} is an apocalyptic number.

It is an amenable number.

220020020020221 is a deficient number, since it is larger than the sum of its proper divisors (78875616304515).

220020020020221 is a wasteful number, since it uses less digits than its factorization.

220020020020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383332.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220020020020221 its reverse (122020020020022), we get a palindrome (342040040040243).

The spelling of 220020020020221 in words is "two hundred twenty trillion, twenty billion, twenty million, twenty thousand, two hundred twenty-one".