20000317469 has 4 divisors (see below), whose sum is σ = 21818528160. Its totient is φ = 18182106780.

The previous prime is 20000317457. The next prime is 20000317481. The reversal of 20000317469 is 96471300002.

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 an interprime number because it is at equal distance from previous prime (20000317457) and next prime (20000317481).

It is a cyclic number.

It is not a de Polignac number, because 20000317469 - 2²⁰ = 19999268893 is a prime.

It is a super-2 number, since 2×20000317469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000317439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909105329 + ... + 909105350.

It is an arithmetic number, because the mean of its divisors is an integer number (5454632040).

Almost surely, 2^20000317469 is an apocalyptic number.

It is an amenable number.

20000317469 is a deficient number, since it is larger than the sum of its proper divisors (1818210691).

20000317469 is a wasteful number, since it uses less digits than its factorization.

20000317469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818210690.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 20000317469 in words is "twenty billion, three hundred seventeen thousand, four hundred sixty-nine".