20301320203201 has 4 divisors (see below), whose sum is σ = 20308486220932. Its totient is φ = 20294154185472.

The previous prime is 20301320203189. The next prime is 20301320203211. The reversal of 20301320203201 is 10230202310302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15678820203201 + 4622500000000 = 3959649^2 + 2150000^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301320203201 - 2¹⁵ = 20301320170433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301320203211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3583004616 + ... + 3583010281.

It is an arithmetic number, because the mean of its divisors is an integer number (5077121555233).

Almost surely, 2^{20301320203201} is an apocalyptic number.

It is an amenable number.

20301320203201 is a deficient number, since it is larger than the sum of its proper divisors (7166017731).

20301320203201 is an equidigital number, since it uses as much as digits as its factorization.

20301320203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166017730.

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

Adding to 20301320203201 its reverse (10230202310302), we get a palindrome (30531522513503).

The spelling of 20301320203201 in words is "twenty trillion, three hundred one billion, three hundred twenty million, two hundred three thousand, two hundred one".