20303022253 has 2 divisors, whose sum is σ = 20303022254. Its totient is φ = 20303022252.

The previous prime is 20303022221. The next prime is 20303022281. The reversal of 20303022253 is 35222030302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11736038889 + 8566983364 = 108333^2 + 92558^2 .

It is a cyclic number.

It is not a de Polignac number, because 20303022253 - 2⁵ = 20303022221 is a prime.

It is a super-3 number, since 3×20303022253³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20303022203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151511126 + 10151511127.

It is an arithmetic number, because the mean of its divisors is an integer number (10151511127).

Almost surely, 2^20303022253 is an apocalyptic number.

It is an amenable number.

20303022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20303022253 is an equidigital number, since it uses as much as digits as its factorization.

20303022253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20303022253 its reverse (35222030302), we get a palindrome (55525052555).

The spelling of 20303022253 in words is "twenty billion, three hundred three million, twenty-two thousand, two hundred fifty-three".