200639901 has 36 divisors (see below), whose sum is σ = 337258208. Its totient is φ = 103857600.

The previous prime is 200639861. The next prime is 200639903. The reversal of 200639901 is 109936002.

It is not a de Polignac number, because 200639901 - 2¹⁴ = 200623517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200639903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 713881 + ... + 714161.

Almost surely, 2^200639901 is an apocalyptic number.

200639901 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200639901 is a deficient number, since it is larger than the sum of its proper divisors (136618307).

200639901 is an equidigital number, since it uses as much as digits as its factorization.

200639901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 200639901 is about 14164.7414731085. The cubic root of 200639901 is about 585.4265776100.

The spelling of 200639901 in words is "two hundred million, six hundred thirty-nine thousand, nine hundred one".