20023132112 has 20 divisors (see below), whose sum is σ = 38826577440. Its totient is φ = 10003370208.

The previous prime is 20023132091. The next prime is 20023132127. The reversal of 20023132112 is 21123132002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492062 + ... + 531197.

It is an arithmetic number, because the mean of its divisors is an integer number (1941328872).

Almost surely, 2^20023132112 is an apocalyptic number.

It is an amenable number.

20023132112 is a deficient number, since it is larger than the sum of its proper divisors (18803445328).

20023132112 is a wasteful number, since it uses less digits than its factorization.

20023132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024490 (or 1024484 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20023132112 its reverse (21123132002), we get a palindrome (41146264114).

The spelling of 20023132112 in words is "twenty billion, twenty-three million, one hundred thirty-two thousand, one hundred twelve".