20244243002213 has 2 divisors, whose sum is σ = 20244243002214. Its totient is φ = 20244243002212.

The previous prime is 20244243002209. The next prime is 20244243002311. The reversal of 20244243002213 is 31220034244202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17803530452929 + 2440712549284 = 4219423^2 + 1562278^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244243002213 - 2² = 20244243002209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244243002513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122121501106 + 10122121501107.

It is an arithmetic number, because the mean of its divisors is an integer number (10122121501107).

Almost surely, 2^{20244243002213} is an apocalyptic number.

It is an amenable number.

20244243002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244243002213 is an equidigital number, since it uses as much as digits as its factorization.

20244243002213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20244243002213 its reverse (31220034244202), we get a palindrome (51464277246415).

The spelling of 20244243002213 in words is "twenty trillion, two hundred forty-four billion, two hundred forty-three million, two thousand, two hundred thirteen".