220002220201 has 4 divisors (see below), whose sum is σ = 220003190100. Its totient is φ = 220001250304.

The previous prime is 220002220159. The next prime is 220002220213. The reversal of 220002220201 is 102022200022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 107109580176 + 112892640025 = 327276^2 + 335995^2 .

It is a cyclic number.

It is not a de Polignac number, because 220002220201 - 2¹¹ = 220002218153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220002220231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57705 + ... + 665833.

It is an arithmetic number, because the mean of its divisors is an integer number (55000797525).

Almost surely, 2^220002220201 is an apocalyptic number.

It is an amenable number.

220002220201 is a deficient number, since it is larger than the sum of its proper divisors (969899).

220002220201 is an equidigital number, since it uses as much as digits as its factorization.

220002220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969898.

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

Adding to 220002220201 its reverse (102022200022), we get a palindrome (322024420223).

The spelling of 220002220201 in words is "two hundred twenty billion, two million, two hundred twenty thousand, two hundred one".