2000020111 has 4 divisors (see below), whose sum is σ = 2007455400. Its totient is φ = 1992584824.

The previous prime is 2000020103. The next prime is 2000020117. The reversal of 2000020111 is 1110200002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2000020111 - 2³ = 2000020103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000020094 and 2000020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3717241 + ... + 3717778.

It is an arithmetic number, because the mean of its divisors is an integer number (501863850).

Almost surely, 2^2000020111 is an apocalyptic number.

2000020111 is a deficient number, since it is larger than the sum of its proper divisors (7435289).

2000020111 is an equidigital number, since it uses as much as digits as its factorization.

2000020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435288.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2000020111 is about 44721.5843972460. The cubic root of 2000020111 is about 1259.9252729261.

Adding to 2000020111 its reverse (1110200002), we get a palindrome (3110220113).

The spelling of 2000020111 in words is "two billion, twenty thousand, one hundred eleven".