200017160020 has 24 divisors (see below), whose sum is σ = 421870264200. Its totient is φ = 79657487232.

The previous prime is 200017159967. The next prime is 200017160027. The reversal of 200017160020 is 20061710002.

It can be written as a sum of positive squares in 4 ways, for example, as 26191538244 + 173825621776 = 161838^2 + 416924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200017160020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200017160027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21831355 + ... + 21840514.

It is an arithmetic number, because the mean of its divisors is an integer number (17577927675).

Almost surely, 2^200017160020 is an apocalyptic number.

200017160020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200017160020 is an abundant number, since it is smaller than the sum of its proper divisors (221853104180).

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

200017160020 is a wasteful number, since it uses less digits than its factorization.

200017160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43672107 (or 43672105 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 200017160020 its reverse (20061710002), we get a palindrome (220078870022).

The spelling of 200017160020 in words is "two hundred billion, seventeen million, one hundred sixty thousand, twenty".