200101985 has 8 divisors (see below), whose sum is σ = 254247336. Its totient is φ = 150664960.

The previous prime is 200101963. The next prime is 200102003. The reversal of 200101985 is 589101002.

It is a happy number.

200101985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2193361 + 197908624 = 1481^2 + 14068^2 .

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

It is not a de Polignac number, because 200101985 - 2⁶ = 200101921 is a prime.

It is a super-3 number, since 3×200101985³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176986 + ... + 1177155.

It is an arithmetic number, because the mean of its divisors is an integer number (31780917).

Almost surely, 2^200101985 is an apocalyptic number.

It is an amenable number.

200101985 is a deficient number, since it is larger than the sum of its proper divisors (54145351).

200101985 is a wasteful number, since it uses less digits than its factorization.

200101985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354163.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 200101985 is about 14145.7408784411. The cubic root of 200101985 is about 584.9029327345.

Adding to 200101985 its reverse (589101002), we get a palindrome (789202987).

The spelling of 200101985 in words is "two hundred million, one hundred one thousand, nine hundred eighty-five".