20607313586687 has 8 divisors (see below), whose sum is σ = 20615538080880. Its totient is φ = 20599090585920.

The previous prime is 20607313586647. The next prime is 20607313586701. The reversal of 20607313586687 is 78668531370602.

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

It is a cyclic number.

It is not a de Polignac number, because 20607313586687 - 2³⁰ = 20606239844863 is a prime.

It is a super-2 number, since 2×20607313586687² (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 (20607313586627) 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, 27647612 + ... + 28383182.

It is an arithmetic number, because the mean of its divisors is an integer number (2576942260110).

Almost surely, 2^{20607313586687} is an apocalyptic number.

20607313586687 is a deficient number, since it is larger than the sum of its proper divisors (8224494193).

20607313586687 is an equidigital number, since it uses as much as digits as its factorization.

20607313586687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746713.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 20607313586687 in words is "twenty trillion, six hundred seven billion, three hundred thirteen million, five hundred eighty-six thousand, six hundred eighty-seven".