20023120112 has 20 divisors (see below), whose sum is σ = 38797225896. Its totient is φ = 10010932800.

The previous prime is 20023120109. The next prime is 20023120127. The reversal of 20023120112 is 21102132002.

It is a happy number.

It is a congruent number.

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, 328862 + ... + 384962.

Almost surely, 2^20023120112 is an apocalyptic number.

It is an amenable number.

20023120112 is a deficient number, since it is larger than the sum of its proper divisors (18774105784).

20023120112 is a wasteful number, since it uses less digits than its factorization.

20023120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78416 (or 78410 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20023120112 its reverse (21102132002), we get a palindrome (41125252114).

The spelling of 20023120112 in words is "twenty billion, twenty-three million, one hundred twenty thousand, one hundred twelve".