2051800200 has 96 divisors (see below), whose sum is σ = 7067330400. Its totient is φ = 547145280.

The previous prime is 2051800147. The next prime is 2051800211. The reversal of 2051800200 is 20081502.

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

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 23 ways as a sum of consecutive naturals, for example, 184582 + ... + 195381.

It is an arithmetic number, because the mean of its divisors is an integer number (73618025).

Almost surely, 2^2051800200 is an apocalyptic number.

2051800200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051800200 is an abundant number, since it is smaller than the sum of its proper divisors (5015530200).

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

2051800200 is a wasteful number, since it uses less digits than its factorization.

2051800200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379988 (or 379973 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2051800200 is about 45296.8012115646. The cubic root of 2051800200 is about 1270.7058303924.

Adding to 2051800200 its reverse (20081502), we get a palindrome (2071881702).

The spelling of 2051800200 in words is "two billion, fifty-one million, eight hundred thousand, two hundred".