200642930 has 32 divisors (see below), whose sum is σ = 371755440. Its totient is φ = 77921280.

The previous prime is 200642927. The next prime is 200642987. The reversal of 200642930 is 39246002.

It can be written as a sum of positive squares in 8 ways, for example, as 31460881 + 169182049 = 5609^2 + 13007^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200642930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92822 + ... + 94958.

Almost surely, 2^200642930 is an apocalyptic number.

200642930 is a deficient number, since it is larger than the sum of its proper divisors (171112510).

200642930 is a wasteful number, since it uses less digits than its factorization.

200642930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 200642930 is about 14164.8483931174. The cubic root of 200642930 is about 585.4295235979.

Adding to 200642930 its reverse (39246002), we get a palindrome (239888932).

The spelling of 200642930 in words is "two hundred million, six hundred forty-two thousand, nine hundred thirty".