20084349171696 has 80 divisors (see below), whose sum is σ = 52383282151200. Its totient is φ = 6630486211584.

The previous prime is 20084349171661. The next prime is 20084349171697. The reversal of 20084349171696 is 69617194348002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084349171697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11249430 + ... + 12911946.

It is an arithmetic number, because the mean of its divisors is an integer number (654791026890).

Almost surely, 2^{20084349171696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20084349171696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26191641075600).

20084349171696 is an abundant number, since it is smaller than the sum of its proper divisors (32298932979504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20084349171696 is a wasteful number, since it uses less digits than its factorization.

20084349171696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664946 (or 1664940 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 20084349171696 in words is "twenty trillion, eighty-four billion, three hundred forty-nine million, one hundred seventy-one thousand, six hundred ninety-six".