17620113204 has 18 divisors (see below), whose sum is σ = 44539730690. Its totient is φ = 5873371056.

The previous prime is 17620113193. The next prime is 17620113221. The reversal of 17620113204 is 40231102671.

17620113204 is a `hidden beast` number, since 1 + 7 + 620 + 1 + 1 + 32 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15600509604 + 2019603600 = 124902^2 + 44940^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244723759 + ... + 244723830.

Almost surely, 2^17620113204 is an apocalyptic number.

It is an amenable number.

17620113204 is an abundant number, since it is smaller than the sum of its proper divisors (26919617486).

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

17620113204 is a wasteful number, since it uses less digits than its factorization.

17620113204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489447599 (or 489447594 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 17620113204 its reverse (40231102671), we get a palindrome (57851215875).

The spelling of 17620113204 in words is "seventeen billion, six hundred twenty million, one hundred thirteen thousand, two hundred four".