200340340 has 12 divisors (see below), whose sum is σ = 420714756. Its totient is φ = 80136128.

The previous prime is 200340331. The next prime is 200340353. The reversal of 200340340 is 43043002.

It can be written as a sum of positive squares in 2 ways, for example, as 71199844 + 129140496 = 8438^2 + 11364^2 .

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 3 ways as a sum of consecutive naturals, for example, 5008489 + ... + 5008528.

It is an arithmetic number, because the mean of its divisors is an integer number (35059563).

Almost surely, 2^200340340 is an apocalyptic number.

200340340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200340340 is an abundant number, since it is smaller than the sum of its proper divisors (220374416).

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

200340340 is a wasteful number, since it uses less digits than its factorization.

200340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017026 (or 10017024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 200340340 is about 14154.1633451080. The cubic root of 200340340 is about 585.1350797233.

Adding to 200340340 its reverse (43043002), we get a palindrome (243383342).

The spelling of 200340340 in words is "two hundred million, three hundred forty thousand, three hundred forty".