200993550 has 144 divisors (see below), whose sum is σ = 555433200. Its totient is φ = 47928320.

The previous prime is 200993549. The next prime is 200993561. The reversal of 200993550 is 55399002.

200993550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1348876 + ... + 1349024.

It is an arithmetic number, because the mean of its divisors is an integer number (3857175).

Almost surely, 2^200993550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200993550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277716600).

200993550 is an abundant number, since it is smaller than the sum of its proper divisors (354439650).

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

200993550 is a wasteful number, since it uses less digits than its factorization.

200993550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 200993550 is about 14177.2194029718. The cubic root of 200993550 is about 585.7703344284.

It can be divided in two parts, 2009 and 93550, that added together give a palindrome (95559).

The spelling of 200993550 in words is "two hundred million, nine hundred ninety-three thousand, five hundred fifty".