20005150757317 has 8 divisors (see below), whose sum is σ = 21823959805632. Its totient is φ = 18186368205600.

The previous prime is 20005150757311. The next prime is 20005150757329. The reversal of 20005150757317 is 71375705150002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20005150757317 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 (20005150757311) 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, 5028784 + ... + 8080777.

It is an arithmetic number, because the mean of its divisors is an integer number (2727994975704).

Almost surely, 2^{20005150757317} is an apocalyptic number.

It is an amenable number.

20005150757317 is a deficient number, since it is larger than the sum of its proper divisors (1818809048315).

20005150757317 is a wasteful number, since it uses less digits than its factorization.

20005150757317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248299.

The product of its (nonzero) digits is 257250, while the sum is 43.

The spelling of 20005150757317 in words is "twenty trillion, five billion, one hundred fifty million, seven hundred fifty-seven thousand, three hundred seventeen".