20321307341 has 2 divisors, whose sum is σ = 20321307342. Its totient is φ = 20321307340.

The previous prime is 20321307287. The next prime is 20321307353. The reversal of 20321307341 is 14370312302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17560225225 + 2761082116 = 132515^2 + 52546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20321307341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20321307341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20321307361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160653670 + 10160653671.

It is an arithmetic number, because the mean of its divisors is an integer number (10160653671).

Almost surely, 2^20321307341 is an apocalyptic number.

It is an amenable number.

20321307341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321307341 is an equidigital number, since it uses as much as digits as its factorization.

20321307341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20321307341 its reverse (14370312302), we get a palindrome (34691619643).

The spelling of 20321307341 in words is "twenty billion, three hundred twenty-one million, three hundred seven thousand, three hundred forty-one".