220744541009 has 2 divisors, whose sum is σ = 220744541010. Its totient is φ = 220744541008.

The previous prime is 220744540963. The next prime is 220744541099. The reversal of 220744541009 is 900145447022.

220744541009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210591963409 + 10152577600 = 458903^2 + 100760^2 .

It is a cyclic number.

It is not a de Polignac number, because 220744541009 - 2¹² = 220744536913 is a prime.

It is not a weakly prime, because it can be changed into another prime (220744541099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110372270504 + 110372270505.

It is an arithmetic number, because the mean of its divisors is an integer number (110372270505).

Almost surely, 2^220744541009 is an apocalyptic number.

It is an amenable number.

220744541009 is a deficient number, since it is larger than the sum of its proper divisors (1).

220744541009 is an equidigital number, since it uses as much as digits as its factorization.

220744541009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 220744541009 in words is "two hundred twenty billion, seven hundred forty-four million, five hundred forty-one thousand, nine".