200550399 has 32 divisors (see below), whose sum is σ = 318750720. Its totient is φ = 109734912.

The previous prime is 200550391. The next prime is 200550431. The reversal of 200550399 is 993055002.

It is not a de Polignac number, because 200550399 - 2³ = 200550391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200550391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76047 + ... + 78639.

It is an arithmetic number, because the mean of its divisors is an integer number (9960960).

Almost surely, 2^200550399 is an apocalyptic number.

200550399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

200550399 is a deficient number, since it is larger than the sum of its proper divisors (118200321).

200550399 is a wasteful number, since it uses less digits than its factorization.

200550399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 200550399 is about 14161.5817972428. The cubic root of 200550399 is about 585.3395150960.

The spelling of 200550399 in words is "two hundred million, five hundred fifty thousand, three hundred ninety-nine".