20112000003 has 16 divisors (see below), whose sum is σ = 29992883200. Its totient is φ = 13319202600.

The previous prime is 20112000001. The next prime is 20112000011. The reversal of 20112000003 is 30000021102.

It is a happy number.

It is not a de Polignac number, because 20112000003 - 2¹ = 20112000001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112000001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462443 + ... + 2470596.

It is an arithmetic number, because the mean of its divisors is an integer number (1874555200).

Almost surely, 2^20112000003 is an apocalyptic number.

20112000003 is a deficient number, since it is larger than the sum of its proper divisors (9880883197).

20112000003 is a wasteful number, since it uses less digits than its factorization.

20112000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933199 (or 4933193 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20112000003 its reverse (30000021102), we get a palindrome (50112021105).

The spelling of 20112000003 in words is "twenty billion, one hundred twelve million, three", and thus it is an aban number.