20202313303 has 4 divisors (see below), whose sum is σ = 20275246120. Its totient is φ = 20129380488.

The previous prime is 20202313253. The next prime is 20202313333. The reversal of 20202313303 is 30331320202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202313303 - 2⁹ = 20202312791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202313333) 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, 36465993 + ... + 36466546.

It is an arithmetic number, because the mean of its divisors is an integer number (5068811530).

Almost surely, 2^20202313303 is an apocalyptic number.

20202313303 is a deficient number, since it is larger than the sum of its proper divisors (72932817).

20202313303 is an equidigital number, since it uses as much as digits as its factorization.

20202313303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72932816.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20202313303 its reverse (30331320202), we get a palindrome (50533633505).

The spelling of 20202313303 in words is "twenty billion, two hundred two million, three hundred thirteen thousand, three hundred three".