200540502 has 32 divisors (see below), whose sum is σ = 448156800. Its totient is φ = 66470184.

The previous prime is 200540491. The next prime is 200540503. The reversal of 200540502 is 205045002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200540503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 20039.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2^200540502 is an apocalyptic number.

200540502 is an abundant number, since it is smaller than the sum of its proper divisors (247616298).

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

200540502 is a wasteful number, since it uses less digits than its factorization.

200540502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20937 (or 20931 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 200540502 is about 14161.2323616273. The cubic root of 200540502 is about 585.3298862603.

Adding to 200540502 its reverse (205045002), we get a palindrome (405585504).

The spelling of 200540502 in words is "two hundred million, five hundred forty thousand, five hundred two".