20302103320201 has 4 divisors (see below), whose sum is σ = 20312168817172. Its totient is φ = 20292037823232.

The previous prime is 20302103320193. The next prime is 20302103320229. The reversal of 20302103320201 is 10202330120302.

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 18841884844176 + 1460218476025 = 4340724^2 + 1208395^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302103320201 - 2³ = 20302103320193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302103320231) 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, 5032745460 + ... + 5032749493.

It is an arithmetic number, because the mean of its divisors is an integer number (5078042204293).

Almost surely, 2^{20302103320201} is an apocalyptic number.

It is an amenable number.

20302103320201 is a deficient number, since it is larger than the sum of its proper divisors (10065496971).

20302103320201 is a wasteful number, since it uses less digits than its factorization.

20302103320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065496970.

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

Adding to 20302103320201 its reverse (10202330120302), we get a palindrome (30504433440503).

The spelling of 20302103320201 in words is "twenty trillion, three hundred two billion, one hundred three million, three hundred twenty thousand, two hundred one".