17104100220 has 72 divisors (see below), whose sum is σ = 52613215200. Its totient is φ = 4496849280.

The previous prime is 17104100203. The next prime is 17104100263. The reversal of 17104100220 is 2200140171.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 17104100193 and 17104100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656395 + ... + 681954.

It is an arithmetic number, because the mean of its divisors is an integer number (730739100).

Almost surely, 2^17104100220 is an apocalyptic number.

17104100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17104100220 is an abundant number, since it is smaller than the sum of its proper divisors (35509114980).

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

17104100220 is a wasteful number, since it uses less digits than its factorization.

17104100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338435 (or 1338430 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 17104100220 its reverse (2200140171), we get a palindrome (19304240391).

The spelling of 17104100220 in words is "seventeen billion, one hundred four million, one hundred thousand, two hundred twenty".