200200050 has 162 divisors, whose sum is σ = 582330567. Its totient is φ = 49304640.

The previous prime is 200200031. The next prime is 200200057. The reversal of 200200050 is 50002002.

It can be written as a sum of positive squares in 5 ways, for example, as 76790169 + 123409881 = 8763^2 + 11109^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10005.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200200057) 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 80 ways as a sum of consecutive naturals, for example, 6903436 + ... + 6903464.

Almost surely, 2^200200050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200200050

200200050 is an abundant number, since it is smaller than the sum of its proper divisors (382130517).

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

200200050 is a wasteful number, since it uses less digits than its factorization.

200200050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 200200050 is about 14149.2066915428. The cubic root of 200200050 is about 584.9984659175.

Adding to 200200050 its reverse (50002002), we get a palindrome (250202052).

The spelling of 200200050 in words is "two hundred million, two hundred thousand, fifty".