220244104320013 has 4 divisors (see below), whose sum is σ = 227838728606940. Its totient is φ = 212649480033088.

The previous prime is 220244104320011. The next prime is 220244104320077. The reversal of 220244104320013 is 310023401442022.

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 68615345099844 + 151628759220169 = 8283438^2 + 12313763^2 .

It is a cyclic number.

It is not a de Polignac number, because 220244104320013 - 2¹ = 220244104320011 is a prime.

It is a super-2 number, since 2×220244104320013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220244104320011) 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, 3797312143420 + ... + 3797312143477.

It is an arithmetic number, because the mean of its divisors is an integer number (56959682151735).

Almost surely, 2^{220244104320013} is an apocalyptic number.

It is an amenable number.

220244104320013 is a deficient number, since it is larger than the sum of its proper divisors (7594624286927).

220244104320013 is an equidigital number, since it uses as much as digits as its factorization.

220244104320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594624286926.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 220244104320013 its reverse (310023401442022), we get a palindrome (530267505762035).

The spelling of 220244104320013 in words is "two hundred twenty trillion, two hundred forty-four billion, one hundred four million, three hundred twenty thousand, thirteen".