20112134441 has 8 divisors (see below), whose sum is σ = 23101974720. Its totient is φ = 17151463728.

The previous prime is 20112134389. The next prime is 20112134453. The reversal of 20112134441 is 14443121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20112134441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112134041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7290911 + ... + 7293668.

It is an arithmetic number, because the mean of its divisors is an integer number (2887746840).

Almost surely, 2^20112134441 is an apocalyptic number.

It is an amenable number.

20112134441 is a deficient number, since it is larger than the sum of its proper divisors (2989840279).

20112134441 is a wasteful number, since it uses less digits than its factorization.

20112134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14584783.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20112134441 its reverse (14443121102), we get a palindrome (34555255543).

The spelling of 20112134441 in words is "twenty billion, one hundred twelve million, one hundred thirty-four thousand, four hundred forty-one".