20200240213 has 2 divisors, whose sum is σ = 20200240214. Its totient is φ = 20200240212.

The previous prime is 20200240189. The next prime is 20200240271. The reversal of 20200240213 is 31204200202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13110937009 + 7089303204 = 114503^2 + 84198^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200240213 - 2²⁹ = 19663369301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200240283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100120106 + 10100120107.

It is an arithmetic number, because the mean of its divisors is an integer number (10100120107).

Almost surely, 2^20200240213 is an apocalyptic number.

It is an amenable number.

20200240213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200240213 is an equidigital number, since it uses as much as digits as its factorization.

20200240213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20200240213 its reverse (31204200202), we get a palindrome (51404440415).

The spelling of 20200240213 in words is "twenty billion, two hundred million, two hundred forty thousand, two hundred thirteen".