200881985 has 8 divisors (see below), whose sum is σ = 249370920. Its totient is φ = 155163904.

The previous prime is 200881951. The next prime is 200881987. The reversal of 200881985 is 589188002.

It can be written as a sum of positive squares in 4 ways, for example, as 87310336 + 113571649 = 9344^2 + 10657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200881985 - 2²² = 196687681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200881987) 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, 692552 + ... + 692841.

It is an arithmetic number, because the mean of its divisors is an integer number (31171365).

Almost surely, 2^200881985 is an apocalyptic number.

It is an amenable number.

200881985 is a deficient number, since it is larger than the sum of its proper divisors (48488935).

200881985 is a wasteful number, since it uses less digits than its factorization.

200881985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385427.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 200881985 is about 14173.2841995072. The cubic root of 200881985 is about 585.6619336654.

The spelling of 200881985 in words is "two hundred million, eight hundred eighty-one thousand, nine hundred eighty-five".