200442663 has 6 divisors (see below), whose sum is σ = 289528304. Its totient is φ = 133628436.

The previous prime is 200442629. The next prime is 200442679. The reversal of 200442663 is 366244002.

It is a de Polignac number, because none of the positive numbers 2^k-200442663 is a prime.

It is a super-2 number, since 2×200442663² = 80354522301063138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200442163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11135695 + ... + 11135712.

Almost surely, 2^200442663 is an apocalyptic number.

200442663 is a deficient number, since it is larger than the sum of its proper divisors (89085641).

200442663 is a wasteful number, since it uses less digits than its factorization.

200442663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22271413 (or 22271410 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 200442663 is about 14157.7774738834. Note that the first 3 decimals coincide. The cubic root of 200442663 is about 585.2346812087.

Adding to 200442663 its reverse (366244002), we get a palindrome (566686665).

The spelling of 200442663 in words is "two hundred million, four hundred forty-two thousand, six hundred sixty-three".