20123130032 has 10 divisors (see below), whose sum is σ = 38988564468. Its totient is φ = 10061565008.

The previous prime is 20123130019. The next prime is 20123130043. The reversal of 20123130032 is 23003132102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628847798 + ... + 628847829.

Almost surely, 2^20123130032 is an apocalyptic number.

It is an amenable number.

20123130032 is a deficient number, since it is larger than the sum of its proper divisors (18865434436).

20123130032 is a wasteful number, since it uses less digits than its factorization.

20123130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257695635 (or 1257695629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20123130032 its reverse (23003132102), we get a palindrome (43126262134).

The spelling of 20123130032 in words is "twenty billion, one hundred twenty-three million, one hundred thirty thousand, thirty-two".