20202330313 has 4 divisors (see below), whose sum is σ = 22038905808. Its totient is φ = 18365754820.

The previous prime is 20202330293. The next prime is 20202330329. The reversal of 20202330313 is 31303320202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202330313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202330353) 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, 918287731 + ... + 918287752.

It is an arithmetic number, because the mean of its divisors is an integer number (5509726452).

Almost surely, 2^20202330313 is an apocalyptic number.

It is an amenable number.

20202330313 is a deficient number, since it is larger than the sum of its proper divisors (1836575495).

20202330313 is a wasteful number, since it uses less digits than its factorization.

20202330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836575494.

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

Adding to 20202330313 its reverse (31303320202), we get a palindrome (51505650515).

The spelling of 20202330313 in words is "twenty billion, two hundred two million, three hundred thirty thousand, three hundred thirteen".