20110011 has 4 divisors (see below), whose sum is σ = 26813352. Its totient is φ = 13406672.

The previous prime is 20109989. The next prime is 20110043. The reversal of 20110011 is 11001102.

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 20110011 - 2⁷ = 20109883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351666 + ... + 3351671.

It is an arithmetic number, because the mean of its divisors is an integer number (6703338).

Almost surely, 2^20110011 is an apocalyptic number.

20110011 is a deficient number, since it is larger than the sum of its proper divisors (6703341).

20110011 is an equidigital number, since it uses as much as digits as its factorization.

20110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703340.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 20110011 is about 4484.4186914248. The cubic root of 20110011 is about 271.9385449035.

Adding to 20110011 its reverse (11001102), we get a palindrome (31111113).

Multiplying 20110011 by its reverse (11001102), we get a palindrome (221232282232122).

The spelling of 20110011 in words is "twenty million, one hundred ten thousand, eleven".