200841640 has 32 divisors (see below), whose sum is σ = 452446560. Its totient is φ = 80238400.

The previous prime is 200841629. The next prime is 200841643. The reversal of 200841640 is 46148002.

It is not an unprimeable number, because it can be changed into a prime (200841643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36255 + ... + 41425.

It is an arithmetic number, because the mean of its divisors is an integer number (14138955).

Almost surely, 2^200841640 is an apocalyptic number.

200841640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200841640 is an abundant number, since it is smaller than the sum of its proper divisors (251604920).

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

200841640 is a wasteful number, since it uses less digits than its factorization.

200841640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6149 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 200841640 is about 14171.8608517019. The cubic root of 200841640 is about 585.6227230600.

Adding to 200841640 its reverse (46148002), we get a palindrome (246989642).

The spelling of 200841640 in words is "two hundred million, eight hundred forty-one thousand, six hundred forty".