20011000011 has 32 divisors (see below), whose sum is σ = 27566784000. Its totient is φ = 12904024320.

The previous prime is 20011000003. The next prime is 20011000019. The reversal of 20011000011 is 11000011002.

It is an interprime number because it is at equal distance from previous prime (20011000003) and next prime (20011000019).

It is not a de Polignac number, because 20011000011 - 2³ = 20011000003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011000019) 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, 7757920 + ... + 7760498.

It is an arithmetic number, because the mean of its divisors is an integer number (861462000).

Almost surely, 2^20011000011 is an apocalyptic number.

20011000011 is a deficient number, since it is larger than the sum of its proper divisors (7555783989).

20011000011 is a wasteful number, since it uses less digits than its factorization.

20011000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

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

Adding to 20011000011 its reverse (11000011002), we get a palindrome (31011011013).

The spelling of 20011000011 in words is "twenty billion, eleven million, eleven", and thus it is an aban number and an uban number.