20004041311144 has 48 divisors (see below), whose sum is σ = 41234137951860. Its totient is φ = 9091246137600.

The previous prime is 20004041311109. The next prime is 20004041311183. The reversal of 20004041311144 is 44111314040002.

20004041311144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16247848463044 + 3756192848100 = 4030862^2 + 1938090^2 .

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, 4177254 + ... + 7580074.

Almost surely, 2^{20004041311144} is an apocalyptic number.

It is an amenable number.

20004041311144 is an abundant number, since it is smaller than the sum of its proper divisors (21230096640716).

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

20004041311144 is a wasteful number, since it uses less digits than its factorization.

20004041311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408922 (or 3408907 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20004041311144 its reverse (44111314040002), we get a palindrome (64115355351146).

The spelling of 20004041311144 in words is "twenty trillion, four billion, forty-one million, three hundred eleven thousand, one hundred forty-four".