20111044404032 has 112 divisors (see below), whose sum is σ = 41459943731712. Its totient is φ = 9668686141440.

The previous prime is 20111044404029. The next prime is 20111044404037. The reversal of 20111044404032 is 23040444011102.

It is a super-4 number, since 4×20111044404032⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20111044403992 and 20111044404010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111044404037) 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 15 ways as a sum of consecutive naturals, for example, 558420458 + ... + 558456470.

Almost surely, 2^{20111044404032} 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 20111044404032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20729971865856).

20111044404032 is an abundant number, since it is smaller than the sum of its proper divisors (21348899327680).

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

20111044404032 is a wasteful number, since it uses less digits than its factorization.

20111044404032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37856 (or 37846 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20111044404032 its reverse (23040444011102), we get a palindrome (43151488415134).

The spelling of 20111044404032 in words is "twenty trillion, one hundred eleven billion, forty-four million, four hundred four thousand, thirty-two".