20334101213 has 2 divisors, whose sum is σ = 20334101214. Its totient is φ = 20334101212.

The previous prime is 20334101209. The next prime is 20334101237. The reversal of 20334101213 is 31210143302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19093159684 + 1240941529 = 138178^2 + 35227^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334101213 - 2² = 20334101209 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 (20334101243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167050606 + 10167050607.

It is an arithmetic number, because the mean of its divisors is an integer number (10167050607).

Almost surely, 2^20334101213 is an apocalyptic number.

It is an amenable number.

20334101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334101213 is an equidigital number, since it uses as much as digits as its factorization.

20334101213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20334101213 its reverse (31210143302), we get a palindrome (51544244515).

The spelling of 20334101213 in words is "twenty billion, three hundred thirty-four million, one hundred one thousand, two hundred thirteen".