220300030311209 has 4 divisors (see below), whose sum is σ = 220790676258900. Its totient is φ = 219809384363520.

The previous prime is 220300030311199. The next prime is 220300030311211. The reversal of 220300030311209 is 902113030003022.

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 164614109021209 + 55685921290000 = 12830203^2 + 7462300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220300030311209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220300030310209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245322973172 + ... + 245322974069.

It is an arithmetic number, because the mean of its divisors is an integer number (55197669064725).

Almost surely, 2^{220300030311209} is an apocalyptic number.

It is an amenable number.

220300030311209 is a deficient number, since it is larger than the sum of its proper divisors (490645947691).

220300030311209 is an equidigital number, since it uses as much as digits as its factorization.

220300030311209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490645947690.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 220300030311209 in words is "two hundred twenty trillion, three hundred billion, thirty million, three hundred eleven thousand, two hundred nine".