204442322210309 has 4 divisors (see below), whose sum is σ = 204450694499040. Its totient is φ = 204433949921580.

The previous prime is 204442322210293. The next prime is 204442322210317. The reversal of 204442322210309 is 903012223244402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204442322210309 - 2⁴ = 204442322210293 is a prime.

It is a super-2 number, since 2×204442322210309² (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 (204442312210309) 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, 4186107737 + ... + 4186156574.

It is an arithmetic number, because the mean of its divisors is an integer number (51112673624760).

Almost surely, 2^{204442322210309} is an apocalyptic number.

It is an amenable number.

204442322210309 is a deficient number, since it is larger than the sum of its proper divisors (8372288731).

204442322210309 is an equidigital number, since it uses as much as digits as its factorization.

204442322210309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372288730.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 204442322210309 in words is "two hundred four trillion, four hundred forty-two billion, three hundred twenty-two million, two hundred ten thousand, three hundred nine".