20710388203085 has 64 divisors (see below), whose sum is σ = 29208384691200. Its totient is φ = 13799637798912.

The previous prime is 20710388203061. The next prime is 20710388203103. The reversal of 20710388203085 is 58030288301702.

It is a happy number.

It is not a de Polignac number, because 20710388203085 - 2¹² = 20710388198989 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5716362584 + ... + 5716366206.

It is an arithmetic number, because the mean of its divisors is an integer number (456381010800).

Almost surely, 2^{20710388203085} is an apocalyptic number.

It is an amenable number.

20710388203085 is a deficient number, since it is larger than the sum of its proper divisors (8497996488115).

20710388203085 is a wasteful number, since it uses less digits than its factorization.

20710388203085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 20710388203085 in words is "twenty trillion, seven hundred ten billion, three hundred eighty-eight million, two hundred three thousand, eighty-five".