20010010011 has 32 divisors (see below), whose sum is σ = 27670687296. Its totient is φ = 12856320000.

The previous prime is 20010010003. The next prime is 20010010049. The reversal of 20010010011 is 11001001002.

It is not a de Polignac number, because 20010010011 - 2³ = 20010010003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010010211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1787271 + ... + 1798431.

It is an arithmetic number, because the mean of its divisors is an integer number (864708978).

Almost surely, 2^20010010011 is an apocalyptic number.

20010010011 is a deficient number, since it is larger than the sum of its proper divisors (7660677285).

20010010011 is a wasteful number, since it uses less digits than its factorization.

20010010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11423.

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

Adding to 20010010011 its reverse (11001001002), we get a palindrome (31011011013).

Subtracting from 20010010011 its reverse (11001001002), we obtain a palindrome (9009009009).

It can be divided in two parts, 2001001001 and 1, that added together give a palindrome (2001001002).

The spelling of 20010010011 in words is "twenty billion, ten million, ten thousand, eleven".