20601840317 has 8 divisors (see below), whose sum is σ = 20818772832. Its totient is φ = 20385162000.

The previous prime is 20601840293. The next prime is 20601840373. The reversal of 20601840317 is 71304810602.

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 20601840317 - 2⁶ = 20601840253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601840517) 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, 101642 + ... + 227012.

It is an arithmetic number, because the mean of its divisors is an integer number (2602346604).

Almost surely, 2^20601840317 is an apocalyptic number.

It is an amenable number.

20601840317 is a deficient number, since it is larger than the sum of its proper divisors (216932515).

20601840317 is a wasteful number, since it uses less digits than its factorization.

20601840317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127099.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 20601840317 in words is "twenty billion, six hundred one million, eight hundred forty thousand, three hundred seventeen".