200543530 has 16 divisors (see below), whose sum is σ = 393794784. Its totient is φ = 72924880.

The previous prime is 200543527. The next prime is 200543561. The reversal of 200543530 is 35345002.

200543530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911452 + ... + 911671.

It is an arithmetic number, because the mean of its divisors is an integer number (24612174).

Almost surely, 2^200543530 is an apocalyptic number.

200543530 is a deficient number, since it is larger than the sum of its proper divisors (193251254).

200543530 is a wasteful number, since it uses less digits than its factorization.

200543530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823141.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 200543530 is about 14161.3392728230. The cubic root of 200543530 is about 585.3328322487.

Adding to 200543530 its reverse (35345002), we get a palindrome (235888532).

The spelling of 200543530 in words is "two hundred million, five hundred forty-three thousand, five hundred thirty".