20130023312132 has 12 divisors (see below), whose sum is σ = 35227705299276. Its totient is φ = 10064964655200.

The previous prime is 20130023312053. The next prime is 20130023312153. The reversal of 20130023312132 is 23121332003102.

It can be written as a sum of positive squares in 2 ways, for example, as 16823975703616 + 3306047608516 = 4101704^2 + 1818254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20130023312098 and 20130023312107.

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, 10777619 + ... + 12506682.

It is an arithmetic number, because the mean of its divisors is an integer number (2935642108273).

Almost surely, 2^{20130023312132} is an apocalyptic number.

It is an amenable number.

20130023312132 is a deficient number, since it is larger than the sum of its proper divisors (15097681987144).

20130023312132 is a wasteful number, since it uses less digits than its factorization.

20130023312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23500438 (or 23500436 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20130023312132 its reverse (23121332003102), we get a palindrome (43251355315234).

The spelling of 20130023312132 in words is "twenty trillion, one hundred thirty billion, twenty-three million, three hundred twelve thousand, one hundred thirty-two".