2000203600 has 60 divisors (see below), whose sum is σ = 4825661500. Its totient is φ = 796723200.

The previous prime is 2000203559. The next prime is 2000203613. The reversal of 2000203600 is 63020002.

It can be written as a sum of positive squares in 6 ways, for example, as 196672576 + 1803531024 = 14024^2 + 42468^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 86026 + ... + 106774.

Almost surely, 2^2000203600 is an apocalyptic number.

2000203600 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 2000203600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2412830750).

2000203600 is an abundant number, since it is smaller than the sum of its proper divisors (2825457900).

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

2000203600 is a wasteful number, since it uses less digits than its factorization.

2000203600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21008 (or 20997 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2000203600 is about 44723.6358092676. The cubic root of 2000203600 is about 1259.9638017652.

Adding to 2000203600 its reverse (63020002), we get a palindrome (2063223602).

The spelling of 2000203600 in words is "two billion, two hundred three thousand, six hundred".