200020011 has 16 divisors (see below), whose sum is σ = 297244800. Its totient is φ = 118896768.

The previous prime is 200019997. The next prime is 200020031. The reversal of 200020011 is 110020002.

It is a happy number.

It is not a de Polignac number, because 200020011 - 2⁵ = 200019979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102241 + ... + 104178.

It is an arithmetic number, because the mean of its divisors is an integer number (18577800).

Almost surely, 2^200020011 is an apocalyptic number.

200020011 is a deficient number, since it is larger than the sum of its proper divisors (97224789).

200020011 is a wasteful number, since it uses less digits than its factorization.

200020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206458.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 200020011 is about 14142.8431017246. The cubic root of 200020011 is about 584.8230511651.

Adding to 200020011 its reverse (110020002), we get a palindrome (310040013).

Subtracting from 200020011 its reverse (110020002), we obtain a palindrome (90000009).

The spelling of 200020011 in words is "two hundred million, twenty thousand, eleven".