200217970 has 16 divisors (see below), whose sum is σ = 362553408. Its totient is φ = 79606960.

The previous prime is 200217961. The next prime is 200217971. The reversal of 200217970 is 79712002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (200217971) 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 7 ways as a sum of consecutive naturals, for example, 58276 + ... + 61615.

It is an arithmetic number, because the mean of its divisors is an integer number (22659588).

Almost surely, 2^200217970 is an apocalyptic number.

200217970 is a deficient number, since it is larger than the sum of its proper divisors (162335438).

200217970 is a wasteful number, since it uses less digits than its factorization.

200217970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120065.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 200217970 is about 14149.8399284232. The cubic root of 200217970 is about 585.0159198921.

Adding to 200217970 its reverse (79712002), we get a palindrome (279929972).

The spelling of 200217970 in words is "two hundred million, two hundred seventeen thousand, nine hundred seventy".