20210233213 has 2 divisors, whose sum is σ = 20210233214. Its totient is φ = 20210233212.

The previous prime is 20210233181. The next prime is 20210233229. The reversal of 20210233213 is 31233201202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19887204484 + 323028729 = 141022^2 + 17973^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210233213 - 2⁵ = 20210233181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210233273) 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 as a sum of consecutive naturals, namely, 10105116606 + 10105116607.

It is an arithmetic number, because the mean of its divisors is an integer number (10105116607).

Almost surely, 2^20210233213 is an apocalyptic number.

It is an amenable number.

20210233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210233213 is an equidigital number, since it uses as much as digits as its factorization.

20210233213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20210233213 its reverse (31233201202), we get a palindrome (51443434415).

The spelling of 20210233213 in words is "twenty billion, two hundred ten million, two hundred thirty-three thousand, two hundred thirteen".