20144232112 has 20 divisors (see below), whose sum is σ = 39431818216. Its totient is φ = 9968279040.

The previous prime is 20144232077. The next prime is 20144232131. The reversal of 20144232112 is 21123244102.

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, 6488214 + ... + 6491317.

Almost surely, 2^20144232112 is an apocalyptic number.

It is an amenable number.

20144232112 is a deficient number, since it is larger than the sum of its proper divisors (19287586104).

20144232112 is a wasteful number, since it uses less digits than its factorization.

20144232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12979636 (or 12979630 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20144232112 its reverse (21123244102), we get a palindrome (41267476214).

The spelling of 20144232112 in words is "twenty billion, one hundred forty-four million, two hundred thirty-two thousand, one hundred twelve".