20785702310803 has 8 divisors (see below), whose sum is σ = 20818302818768. Its totient is φ = 20753102656224.

The previous prime is 20785702310767. The next prime is 20785702310843. The reversal of 20785702310803 is 30801320758702.

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 20785702310803 - 2⁴¹ = 18586679055251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20785702310843) 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 7 ways as a sum of consecutive naturals, for example, 63347401 + ... + 63674677.

It is an arithmetic number, because the mean of its divisors is an integer number (2602287852346).

Almost surely, 2^{20785702310803} is an apocalyptic number.

20785702310803 is a deficient number, since it is larger than the sum of its proper divisors (32600507965).

20785702310803 is an equidigital number, since it uses as much as digits as its factorization.

20785702310803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426693.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 20785702310803 in words is "twenty trillion, seven hundred eighty-five billion, seven hundred two million, three hundred ten thousand, eight hundred three".