200000000000 has 156 divisors (see below), whose sum is σ = 499938962796.
Its totient is φ = 80000000000.
The previous prime is 199999999949. The next prime is 200000000041. The reversal of 200000000000 is 2.
It is a powerful number, because all its prime factors have an exponent greater than 1
and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 6 ways, for example, as 28590751744 + 171409248256 = 169088^2 + 414016^2
It is a sliding number, since 200000000000 = 100000000000 + 100000000000 and 1/100000000000 + 1/100000000000 = 0.0000000000200000000000.
It is a Harshad number since it is a multiple of its sum of digits (2).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39999999998 + ... + 40000000002.
It is an arithmetic number, because the mean of its divisors is an integer number (3204736941).
Almost surely, 2200000000000 is an apocalyptic number.
200000000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249969481398).
200000000000 is an abundant number, since it is smaller than the sum of its proper divisors (299938962796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200000000000 is an frugal number, since it uses more digits than its factorization.
200000000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79 (or 7 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 2.
The spelling of 200000000000 in words is "two hundred billion", and thus it is an aban number.