200569090 has 16 divisors (see below), whose sum is σ = 362371320. Its totient is φ = 79928320.

The previous prime is 200569079. The next prime is 200569091. The reversal of 200569090 is 90965002.

It can be written as a sum of positive squares in 4 ways, for example, as 119443041 + 81126049 = 10929^2 + 9007^2 .

It is not an unprimeable number, because it can be changed into a prime (200569091) 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 7 ways as a sum of consecutive naturals, for example, 34591 + ... + 39970.

Almost surely, 2^200569090 is an apocalyptic number.

200569090 is a deficient number, since it is larger than the sum of its proper divisors (161802230).

200569090 is a wasteful number, since it uses less digits than its factorization.

200569090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74837.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 200569090 is about 14162.2417010867. The cubic root of 200569090 is about 585.3576987895.

The spelling of 200569090 in words is "two hundred million, five hundred sixty-nine thousand, ninety".