20752285086719 has 8 divisors (see below), whose sum is σ = 20812657583520. Its totient is φ = 20691926850016.

The previous prime is 20752285086713. The next prime is 20752285086751. The reversal of 20752285086719 is 91768058225702.

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-20752285086719 is a prime.

It is a super-2 number, since 2×20752285086719² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20752285086713) 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, 646784 + ... + 6474789.

It is an arithmetic number, because the mean of its divisors is an integer number (2601582197940).

Almost surely, 2^{20752285086719} is an apocalyptic number.

20752285086719 is a deficient number, since it is larger than the sum of its proper divisors (60372496801).

20752285086719 is an equidigital number, since it uses as much as digits as its factorization.

20752285086719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130049.

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 20752285086719 in words is "twenty trillion, seven hundred fifty-two billion, two hundred eighty-five million, eighty-six thousand, seven hundred nineteen".