20110012 has 12 divisors (see below), whose sum is σ = 37899736. Its totient is φ = 9281520.

The previous prime is 20109989. The next prime is 20110043. The reversal of 20110012 is 21001102.

It is a junction number, because it is equal to n+sod(n) for n = 20109977 and 20110004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193314 + ... + 193417.

Almost surely, 2^20110012 is an apocalyptic number.

It is an amenable number.

20110012 is a deficient number, since it is larger than the sum of its proper divisors (17789724).

20110012 is a wasteful number, since it uses less digits than its factorization.

20110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386748 (or 386746 counting only the distinct ones).

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

The square root of 20110012 is about 4484.4188029220. The cubic root of 20110012 is about 271.9385494110.

Adding to 20110012 its reverse (21001102), we get a palindrome (41111114).

The spelling of 20110012 in words is "twenty million, one hundred ten thousand, twelve".