20717063362241 has 4 divisors (see below), whose sum is σ = 20750531962800. Its totient is φ = 20683594761684.

The previous prime is 20717063362201. The next prime is 20717063362277. The reversal of 20717063362241 is 14226336071702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20717063362241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20717063362192 and 20717063362201.

It is not an unprimeable number, because it can be changed into a prime (20717063362201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16734299351 + ... + 16734300588.

It is an arithmetic number, because the mean of its divisors is an integer number (5187632990700).

Almost surely, 2^{20717063362241} is an apocalyptic number.

It is an amenable number.

20717063362241 is a deficient number, since it is larger than the sum of its proper divisors (33468600559).

20717063362241 is an equidigital number, since it uses as much as digits as its factorization.

20717063362241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33468600558.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 20717063362241 in words is "twenty trillion, seven hundred seventeen billion, sixty-three million, three hundred sixty-two thousand, two hundred forty-one".