20013103012 has 24 divisors (see below), whose sum is σ = 41107997504. Its totient is φ = 8345231712.

The previous prime is 20013103007. The next prime is 20013103051. The reversal of 20013103012 is 21030131002.

It is a junction number, because it is equal to n+sod(n) for n = 20013102983 and 20013103001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9657798 + ... + 9659869.

Almost surely, 2^20013103012 is an apocalyptic number.

It is an amenable number.

20013103012 is an abundant number, since it is smaller than the sum of its proper divisors (21094894492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013103012 is a wasteful number, since it uses less digits than its factorization.

20013103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19317715 (or 19317713 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20013103012 its reverse (21030131002), we get a palindrome (41043234014).

It can be divided in two parts, 2001 and 3103012, that added together give a palindrome (3105013).

The spelling of 20013103012 in words is "twenty billion, thirteen million, one hundred three thousand, twelve".