200447668 has 48 divisors (see below), whose sum is σ = 377524224. Its totient is φ = 92901600.

The previous prime is 200447567. The next prime is 200447671. The reversal of 200447668 is 866744002.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 652771 + ... + 653077.

It is an arithmetic number, because the mean of its divisors is an integer number (7865088).

Almost surely, 2^200447668 is an apocalyptic number.

It is an amenable number.

200447668 is a deficient number, since it is larger than the sum of its proper divisors (177076556).

200447668 is a wasteful number, since it uses less digits than its factorization.

200447668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 200447668 is about 14157.9542307496. The cubic root of 200447668 is about 585.2395522197.

The spelling of 200447668 in words is "two hundred million, four hundred forty-seven thousand, six hundred sixty-eight".