20317230467 has 4 divisors (see below), whose sum is σ = 20372591136. Its totient is φ = 20261869800.

The previous prime is 20317230449. The next prime is 20317230497. The reversal of 20317230467 is 76403271302.

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 20317230467 - 2²⁶ = 20250121603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20317230497) 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, 27679784 + ... + 27680517.

It is an arithmetic number, because the mean of its divisors is an integer number (5093147784).

Almost surely, 2^20317230467 is an apocalyptic number.

20317230467 is a deficient number, since it is larger than the sum of its proper divisors (55360669).

20317230467 is an equidigital number, since it uses as much as digits as its factorization.

20317230467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55360668.

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 20317230467 in words is "twenty billion, three hundred seventeen million, two hundred thirty thousand, four hundred sixty-seven".