20222144352205 has 4 divisors (see below), whose sum is σ = 24266573222652. Its totient is φ = 16177715481760.

The previous prime is 20222144352197. The next prime is 20222144352227. The reversal of 20222144352205 is 50225344122202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8602970018724 + 11619174333481 = 2933082^2 + 3408691^2 .

It is not a de Polignac number, because 20222144352205 - 2³ = 20222144352197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022214435216 + ... + 2022214435225.

It is an arithmetic number, because the mean of its divisors is an integer number (6066643305663).

Almost surely, 2^{20222144352205} is an apocalyptic number.

It is an amenable number.

20222144352205 is a deficient number, since it is larger than the sum of its proper divisors (4044428870447).

20222144352205 is an equidigital number, since it uses as much as digits as its factorization.

20222144352205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044428870446.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 20222144352205 its reverse (50225344122202), we get a palindrome (70447488474407).

The spelling of 20222144352205 in words is "twenty trillion, two hundred twenty-two billion, one hundred forty-four million, three hundred fifty-two thousand, two hundred five".