20001701686835 has 8 divisors (see below), whose sum is σ = 26184045844656. Its totient is φ = 14546692135840.

The previous prime is 20001701686819. The next prime is 20001701686853. The reversal of 20001701686835 is 53868610710002.

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

It is not a de Polignac number, because 20001701686835 - 2⁴ = 20001701686819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001701686835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181833651644 + ... + 181833651753.

It is an arithmetic number, because the mean of its divisors is an integer number (3273005730582).

Almost surely, 2^{20001701686835} is an apocalyptic number.

20001701686835 is a deficient number, since it is larger than the sum of its proper divisors (6182344157821).

20001701686835 is a wasteful number, since it uses less digits than its factorization.

20001701686835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363667303413.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 20001701686835 in words is "twenty trillion, one billion, seven hundred one million, six hundred eighty-six thousand, eight hundred thirty-five".