133220022130205 has 4 divisors (see below), whose sum is σ = 159864026556252. Its totient is φ = 106576017704160.

The previous prime is 133220022130193. The next prime is 133220022130207. The reversal of 133220022130205 is 502031220022331.

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 55483742485081 + 77736279645124 = 7448741^2 + 8816818^2 .

It is not a de Polignac number, because 133220022130205 - 2¹² = 133220022126109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133220022130207) 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, 13322002213016 + ... + 13322002213025.

It is an arithmetic number, because the mean of its divisors is an integer number (39966006639063).

Almost surely, 2^{133220022130205} is an apocalyptic number.

It is an amenable number.

133220022130205 is a deficient number, since it is larger than the sum of its proper divisors (26644004426047).

133220022130205 is an equidigital number, since it uses as much as digits as its factorization.

133220022130205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26644004426046.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 133220022130205 its reverse (502031220022331), we get a palindrome (635251242152536).

The spelling of 133220022130205 in words is "one hundred thirty-three trillion, two hundred twenty billion, twenty-two million, one hundred thirty thousand, two hundred five".