20203313201 has 2 divisors, whose sum is σ = 20203313202. Its totient is φ = 20203313200.

The previous prime is 20203313153. The next prime is 20203313209. The reversal of 20203313201 is 10231330202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12734896801 + 7468416400 = 112849^2 + 86420^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203313201 - 2²² = 20199118897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20203313201.

It is not a weakly prime, because it can be changed into another prime (20203313209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101656600 + 10101656601.

It is an arithmetic number, because the mean of its divisors is an integer number (10101656601).

Almost surely, 2^20203313201 is an apocalyptic number.

It is an amenable number.

20203313201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203313201 is an equidigital number, since it uses as much as digits as its factorization.

20203313201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20203313201 its reverse (10231330202), we get a palindrome (30434643403).

The spelling of 20203313201 in words is "twenty billion, two hundred three million, three hundred thirteen thousand, two hundred one".