2000545000 has 40 divisors (see below), whose sum is σ = 4687288650. Its totient is φ = 800216000.

The previous prime is 2000544983. The next prime is 2000545003. The reversal of 2000545000 is 5450002.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 196504324 + 1804040676 = 14018^2 + 42474^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2000545003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 195055 + ... + 205054.

Almost surely, 2^2000545000 is an apocalyptic number.

2000545000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000545000 is an abundant number, since it is smaller than the sum of its proper divisors (2686743650).

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

2000545000 is an equidigital number, since it uses as much as digits as its factorization.

2000545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400135 (or 400116 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2000545000 is about 44727.4524201860. The cubic root of 2000545000 is about 1260.0354823299.

Adding to 2000545000 its reverse (5450002), we get a palindrome (2005995002).

The spelling of 2000545000 in words is "two billion, five hundred forty-five thousand".