20323665307 has 8 divisors (see below), whose sum is σ = 22173638832. Its totient is φ = 18474086400.

The previous prime is 20323665293. The next prime is 20323665311. The reversal of 20323665307 is 70356632302.

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

It is a de Polignac number, because none of the positive numbers 2^k-20323665307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323665337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14707 + ... + 202147.

It is an arithmetic number, because the mean of its divisors is an integer number (2771704854).

Almost surely, 2^20323665307 is an apocalyptic number.

20323665307 is a deficient number, since it is larger than the sum of its proper divisors (1849973525).

20323665307 is a wasteful number, since it uses less digits than its factorization.

20323665307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197309.

The product of its (nonzero) digits is 136080, while the sum is 37.

The spelling of 20323665307 in words is "twenty billion, three hundred twenty-three million, six hundred sixty-five thousand, three hundred seven".