220204423121113 has 4 divisors (see below), whose sum is σ = 220204503997348. Its totient is φ = 220204342244880.

The previous prime is 220204423121099. The next prime is 220204423121141. The reversal of 220204423121113 is 311121324402022.

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 215073165229129 + 5131257891984 = 14665373^2 + 2265228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220204423121113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220204423121713) 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, 36206406 + ... + 41848687.

It is an arithmetic number, because the mean of its divisors is an integer number (55051125999337).

Almost surely, 2^{220204423121113} is an apocalyptic number.

It is an amenable number.

220204423121113 is a deficient number, since it is larger than the sum of its proper divisors (80876235).

220204423121113 is an equidigital number, since it uses as much as digits as its factorization.

220204423121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80876234.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 220204423121113 its reverse (311121324402022), we get a palindrome (531325747523135).

The spelling of 220204423121113 in words is "two hundred twenty trillion, two hundred four billion, four hundred twenty-three million, one hundred twenty-one thousand, one hundred thirteen".