20492201918559 has 8 divisors (see below), whose sum is σ = 31226212447360. Its totient is φ = 11709829667736.

The previous prime is 20492201918557. The next prime is 20492201918563. The reversal of 20492201918559 is 95581910229402.

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

It is not a de Polignac number, because 20492201918559 - 2¹ = 20492201918557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20492201918499 and 20492201918508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492201918557) 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, 487909569469 + ... + 487909569510.

It is an arithmetic number, because the mean of its divisors is an integer number (3903276555920).

Almost surely, 2^{20492201918559} is an apocalyptic number.

20492201918559 is a deficient number, since it is larger than the sum of its proper divisors (10734010528801).

20492201918559 is an equidigital number, since it uses as much as digits as its factorization.

20492201918559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975819138989.

The product of its (nonzero) digits is 4665600, while the sum is 57.

The spelling of 20492201918559 in words is "twenty trillion, four hundred ninety-two billion, two hundred one million, nine hundred eighteen thousand, five hundred fifty-nine".