20126376242317 has 8 divisors (see below), whose sum is σ = 20850090220440. Its totient is φ = 19404642331200.

The previous prime is 20126376242233. The next prime is 20126376242369. The reversal of 20126376242317 is 71324267362102.

It can be written as a sum of positive squares in 4 ways, for example, as 3595475838276 + 16530900404041 = 1896174^2 + 4065821^2 .

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-20126376242317 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 (20126376242417) 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, 494996058 + ... + 495036715.

It is an arithmetic number, because the mean of its divisors is an integer number (2606261277555).

Almost surely, 2^{20126376242317} is an apocalyptic number.

It is an amenable number.

20126376242317 is a deficient number, since it is larger than the sum of its proper divisors (723713978123).

20126376242317 is an equidigital number, since it uses as much as digits as its factorization.

20126376242317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990033503.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 20126376242317 in words is "twenty trillion, one hundred twenty-six billion, three hundred seventy-six million, two hundred forty-two thousand, three hundred seventeen".