20323665365 has 8 divisors (see below), whose sum is σ = 24534437760. Its totient is φ = 16161572752.

The previous prime is 20323665337. The next prime is 20323665371. The reversal of 20323665365 is 56356632302.

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 20323665365 - 2¹⁰ = 20323664341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12169025 + ... + 12170694.

It is an arithmetic number, because the mean of its divisors is an integer number (3066804720).

Almost surely, 2^20323665365 is an apocalyptic number.

It is an amenable number.

20323665365 is a deficient number, since it is larger than the sum of its proper divisors (4210772395).

20323665365 is a wasteful number, since it uses less digits than its factorization.

20323665365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24339891.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 20323665365 in words is "twenty billion, three hundred twenty-three million, six hundred sixty-five thousand, three hundred sixty-five".