20112448032 has 72 divisors (see below), whose sum is σ = 57282104880. Its totient is φ = 6693912960.

The previous prime is 20112448021. The next prime is 20112448063. The reversal of 20112448032 is 23084421102.

20112448032 is a `hidden beast` number, since 201 + 12 + 448 + 0 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 20112447987 and 20112448005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136807 + ... + 242777.

It is an arithmetic number, because the mean of its divisors is an integer number (795584790).

Almost surely, 2^20112448032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112448032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28641052440).

20112448032 is an abundant number, since it is smaller than the sum of its proper divisors (37169656848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112448032 is a wasteful number, since it uses less digits than its factorization.

20112448032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106646 (or 106635 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 20112448032 its reverse (23084421102), we get a palindrome (43196869134).

The spelling of 20112448032 in words is "twenty billion, one hundred twelve million, four hundred forty-eight thousand, thirty-two".