200209990 has 16 divisors (see below), whose sum is σ = 360960480. Its totient is φ = 79954560.

The previous prime is 200209987. The next prime is 200210029. The reversal of 200209990 is 99902002.

200209990 = T₄₆₀ + T₄₆₁ + ... + T₁₀₉₀.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9555 + ... + 22174.

It is an arithmetic number, because the mean of its divisors is an integer number (22560030).

Almost surely, 2^200209990 is an apocalyptic number.

200209990 is a deficient number, since it is larger than the sum of its proper divisors (160750490).

200209990 is a wasteful number, since it uses less digits than its factorization.

200209990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32367.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 200209990 is about 14149.5579436250. The cubic root of 200209990 is about 585.0081475477.

The spelling of 200209990 in words is "two hundred million, two hundred nine thousand, nine hundred ninety".