20001322203301 has 2 divisors, whose sum is σ = 20001322203302. Its totient is φ = 20001322203300.

The previous prime is 20001322203263. The next prime is 20001322203319. The reversal of 20001322203301 is 10330222310002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15542509875201 + 4458812328100 = 3942399^2 + 2111590^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001322203301 - 2¹⁷ = 20001322072229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001322203361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000661101650 + 10000661101651.

It is an arithmetic number, because the mean of its divisors is an integer number (10000661101651).

Almost surely, 2^{20001322203301} is an apocalyptic number.

It is an amenable number.

20001322203301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001322203301 is an equidigital number, since it uses as much as digits as its factorization.

20001322203301 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 19.

Adding to 20001322203301 its reverse (10330222310002), we get a palindrome (30331544513303).

The spelling of 20001322203301 in words is "twenty trillion, one billion, three hundred twenty-two million, two hundred three thousand, three hundred one".