200639902 has 8 divisors (see below), whose sum is σ = 314045136. Its totient is φ = 95958192.

The previous prime is 200639861. The next prime is 200639903. The reversal of 200639902 is 209936002.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2180823 + ... + 2180914.

It is an arithmetic number, because the mean of its divisors is an integer number (39255642).

Almost surely, 2^200639902 is an apocalyptic number.

200639902 is a deficient number, since it is larger than the sum of its proper divisors (113405234).

200639902 is a wasteful number, since it uses less digits than its factorization.

200639902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361762.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 200639902 is about 14164.7415084074. The cubic root of 200639902 is about 585.4265785826.

The spelling of 200639902 in words is "two hundred million, six hundred thirty-nine thousand, nine hundred two".