202010220317 has 2 divisors, whose sum is σ = 202010220318. Its totient is φ = 202010220316.

The previous prime is 202010220281. The next prime is 202010220319. The reversal of 202010220317 is 713022010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141625021561 + 60385198756 = 376331^2 + 245734^2 .

It is a cyclic number.

It is not a de Polignac number, because 202010220317 - 2¹⁴ = 202010203933 is a prime.

It is a super-2 number, since 2×202010220317² (a number of 23 digits) contains 22 as substring.

Together with 202010220319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202010220319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005110158 + 101005110159.

It is an arithmetic number, because the mean of its divisors is an integer number (101005110159).

Almost surely, 2^202010220317 is an apocalyptic number.

It is an amenable number.

202010220317 is a deficient number, since it is larger than the sum of its proper divisors (1).

202010220317 is an equidigital number, since it uses as much as digits as its factorization.

202010220317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 202010220317 its reverse (713022010202), we get a palindrome (915032230519).

The spelling of 202010220317 in words is "two hundred two billion, ten million, two hundred twenty thousand, three hundred seventeen".