200080080 has 60 divisors (see below), whose sum is σ = 671938020. Its totient is φ = 53354496.

The previous prime is 200080063. The next prime is 200080087. The reversal of 200080080 is 80080002.

It can be written as a sum of positive squares in 2 ways, for example, as 99920016 + 100160064 = 9996^2 + 10008^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200080087) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 138225 + ... + 139664.

It is an arithmetic number, because the mean of its divisors is an integer number (11198967).

Almost surely, 2^200080080 is an apocalyptic number.

200080080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200080080 is an abundant number, since it is smaller than the sum of its proper divisors (471857940).

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

200080080 is a wasteful number, since it uses less digits than its factorization.

200080080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277908 (or 277899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 200080080 is about 14144.9665959309. The cubic root of 200080080 is about 584.8815890077.

The spelling of 200080080 in words is "two hundred million, eighty thousand, eighty".