200101986 has 72 divisors (see below), whose sum is σ = 506666160. Its totient is φ = 56908656.

The previous prime is 200101963. The next prime is 200102003. The reversal of 200101986 is 689101002.

200101986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200101986² = 80081609602288392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 270405 + ... + 271143.

It is an arithmetic number, because the mean of its divisors is an integer number (7037030).

Almost surely, 2^200101986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200101986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253333080).

200101986 is an abundant number, since it is smaller than the sum of its proper divisors (306564174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200101986 is a wasteful number, since it uses less digits than its factorization.

200101986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 200101986 is about 14145.7409137874. The cubic root of 200101986 is about 584.9029337089.

Adding to 200101986 its reverse (689101002), we get a palindrome (889202988).

The spelling of 200101986 in words is "two hundred million, one hundred one thousand, nine hundred eighty-six".