220133020321013 has 4 divisors (see below), whose sum is σ = 222402432901740. Its totient is φ = 217863607740288.

The previous prime is 220133020320977. The next prime is 220133020321043. The reversal of 220133020321013 is 310123020331022.

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 68547503952964 + 151585516368049 = 8279342^2 + 12312007^2 .

It is a cyclic number.

It is not a de Polignac number, because 220133020321013 - 2⁶ = 220133020320949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220133020321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220133020321043) 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, 1134706290218 + ... + 1134706290411.

It is an arithmetic number, because the mean of its divisors is an integer number (55600608225435).

Almost surely, 2^{220133020321013} is an apocalyptic number.

It is an amenable number.

220133020321013 is a deficient number, since it is larger than the sum of its proper divisors (2269412580727).

220133020321013 is an equidigital number, since it uses as much as digits as its factorization.

220133020321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269412580726.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 220133020321013 its reverse (310123020331022), we get a palindrome (530256040652035).

The spelling of 220133020321013 in words is "two hundred twenty trillion, one hundred thirty-three billion, twenty million, three hundred twenty-one thousand, thirteen".