20112444055 has 8 divisors (see below), whose sum is σ = 26329017744. Its totient is φ = 14627232000.

The previous prime is 20112444019. The next prime is 20112444059. The reversal of 20112444055 is 55044421102.

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

It is not a de Polignac number, because 20112444055 - 2⁹ = 20112443543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112444059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 182840346 + ... + 182840455.

It is an arithmetic number, because the mean of its divisors is an integer number (3291127218).

Almost surely, 2^20112444055 is an apocalyptic number.

20112444055 is a deficient number, since it is larger than the sum of its proper divisors (6216573689).

20112444055 is a wasteful number, since it uses less digits than its factorization.

20112444055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365680817.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 20112444055 its reverse (55044421102), we get a palindrome (75156865157).

The spelling of 20112444055 in words is "twenty billion, one hundred twelve million, four hundred forty-four thousand, fifty-five".