20132430112 has 24 divisors (see below), whose sum is σ = 41002472700. Its totient is φ = 9719103744.

The previous prime is 20132430103. The next prime is 20132430137. The reversal of 20132430112 is 21103423102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17391279376 + 2741150736 = 131876^2 + 52356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20132430112.

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, 10846287 + ... + 10848142.

Almost surely, 2^20132430112 is an apocalyptic number.

It is an amenable number.

20132430112 is an abundant number, since it is smaller than the sum of its proper divisors (20870042588).

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

20132430112 is a wasteful number, since it uses less digits than its factorization.

20132430112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694468 (or 21694460 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20132430112 its reverse (21103423102), we get a palindrome (41235853214).

The spelling of 20132430112 in words is "twenty billion, one hundred thirty-two million, four hundred thirty thousand, one hundred twelve".