20440141024 has 48 divisors (see below), whose sum is σ = 42420142800. Its totient is φ = 9668312064.

The previous prime is 20440141003. The next prime is 20440141061. The reversal of 20440141024 is 42014104402.

It is a junction number, because it is equal to n+sod(n) for n = 20440140986 and 20440141004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407364 + ... + 454780.

It is an arithmetic number, because the mean of its divisors is an integer number (883752975).

Almost surely, 2^20440141024 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 20440141024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21210071400).

20440141024 is an abundant number, since it is smaller than the sum of its proper divisors (21980001776).

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

20440141024 is a wasteful number, since it uses less digits than its factorization.

20440141024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48155 (or 48147 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20440141024 its reverse (42014104402), we get a palindrome (62454245426).

It can be divided in two parts, 20 and 440141024, that added together give a palindrome (440141044).

The spelling of 20440141024 in words is "twenty billion, four hundred forty million, one hundred forty-one thousand, twenty-four".