20112443130 has 64 divisors (see below), whose sum is σ = 55040767488. Its totient is φ = 4659532800.

The previous prime is 20112443111. The next prime is 20112443171. The reversal of 20112443130 is 3134421102.

It is a junction number, because it is equal to n+sod(n) for n = 20112443097 and 20112443106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1510146 + ... + 1523405.

It is an arithmetic number, because the mean of its divisors is an integer number (860011992).

Almost surely, 2^20112443130 is an apocalyptic number.

20112443130 is an abundant number, since it is smaller than the sum of its proper divisors (34928324358).

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

20112443130 is a wasteful number, since it uses less digits than its factorization.

20112443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033591.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20112443130 its reverse (3134421102), we get a palindrome (23246864232).

The spelling of 20112443130 in words is "twenty billion, one hundred twelve million, four hundred forty-three thousand, one hundred thirty".