17085771220 has 24 divisors (see below), whose sum is σ = 41005851264. Its totient is φ = 5857978656.

The previous prime is 17085771217. The next prime is 17085771229. The reversal of 17085771220 is 2217758071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17085771229) by changing a digit.

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, 61020472 + ... + 61020751.

It is an arithmetic number, because the mean of its divisors is an integer number (1708577136).

Almost surely, 2^17085771220 is an apocalyptic number.

17085771220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17085771220 is an abundant number, since it is smaller than the sum of its proper divisors (23920080044).

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

17085771220 is a wasteful number, since it uses less digits than its factorization.

17085771220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122041239 (or 122041237 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 17085771220 in words is "seventeen billion, eighty-five million, seven hundred seventy-one thousand, two hundred twenty".