20338430313 has 8 divisors (see below), whose sum is σ = 27274658688. Its totient is φ = 13480577744.

The previous prime is 20338430309. The next prime is 20338430323. The reversal of 20338430313 is 31303483302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20338430313 - 2² = 20338430309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20338430323) 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 in 7 ways as a sum of consecutive naturals, for example, 19593345 + ... + 19594382.

It is an arithmetic number, because the mean of its divisors is an integer number (3409332336).

Almost surely, 2^20338430313 is an apocalyptic number.

It is an amenable number.

20338430313 is a deficient number, since it is larger than the sum of its proper divisors (6936228375).

20338430313 is a wasteful number, since it uses less digits than its factorization.

20338430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39187903.

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 20338430313 in words is "twenty billion, three hundred thirty-eight million, four hundred thirty thousand, three hundred thirteen".