2001200206 has 4 divisors (see below), whose sum is σ = 3001800312. Its totient is φ = 1000600102.

The previous prime is 2001200161. The next prime is 2001200207. The reversal of 2001200206 is 6020021002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6020021002 = 2 ⋅3010010501.

It is a super-3 number, since 3×2001200206³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001200207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500300050 + ... + 500300053.

It is an arithmetic number, because the mean of its divisors is an integer number (750450078).

Almost surely, 2^2001200206 is an apocalyptic number.

2001200206 is a deficient number, since it is larger than the sum of its proper divisors (1000600106).

2001200206 is a wasteful number, since it uses less digits than its factorization.

2001200206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000600105.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2001200206 is about 44734.7762484624. The cubic root of 2001200206 is about 1260.1730269648.

Adding to 2001200206 its reverse (6020021002), we get a palindrome (8021221208).

The spelling of 2001200206 in words is "two billion, one million, two hundred thousand, two hundred six".