200581890 has 32 divisors (see below), whose sum is σ = 483411456. Its totient is φ = 53264640.

The previous prime is 200581889. The next prime is 200581939. The reversal of 200581890 is 98185002.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 6642 + ... + 21101.

It is an arithmetic number, because the mean of its divisors is an integer number (15106608).

Almost surely, 2^200581890 is an apocalyptic number.

200581890 is an abundant number, since it is smaller than the sum of its proper divisors (282829566).

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

200581890 is a wasteful number, since it uses less digits than its factorization.

200581890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27994.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 200581890 is about 14162.6935997359. The cubic root of 200581890 is about 585.3701507235.

The spelling of 200581890 in words is "two hundred million, five hundred eighty-one thousand, eight hundred ninety".