202120313203 has 2 divisors, whose sum is σ = 202120313204. Its totient is φ = 202120313202.

The previous prime is 202120313191. The next prime is 202120313207. The reversal of 202120313203 is 302313021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202120313203 - 2²¹ = 202118216051 is a prime.

It is a super-2 number, since 2×202120313203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202120313207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060156601 + 101060156602.

It is an arithmetic number, because the mean of its divisors is an integer number (101060156602).

Almost surely, 2^202120313203 is an apocalyptic number.

202120313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120313203 is an equidigital number, since it uses as much as digits as its factorization.

202120313203 is an odious number, because the sum of its binary digits is odd.

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

Adding to 202120313203 its reverse (302313021202), we get a palindrome (504433334405).

The spelling of 202120313203 in words is "two hundred two billion, one hundred twenty million, three hundred thirteen thousand, two hundred three".