4404131100020 has 24 divisors (see below), whose sum is σ = 9259149498144. Its totient is φ = 1759657356576.

The previous prime is 4404131100013. The next prime is 4404131100037. The reversal of 4404131100020 is 200011314044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4404131099965 and 4404131100001.

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, 124674614 + ... + 124709933.

It is an arithmetic number, because the mean of its divisors is an integer number (385797895756).

Almost surely, 2^{4404131100020} is an apocalyptic number.

It is an amenable number.

4404131100020 is an abundant number, since it is smaller than the sum of its proper divisors (4855018398124).

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

4404131100020 is a wasteful number, since it uses less digits than its factorization.

4404131100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249385439 (or 249385437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4404131100020 its reverse (200011314044), we get a palindrome (4604142414064).

The spelling of 4404131100020 in words is "four trillion, four hundred four billion, one hundred thirty-one million, one hundred thousand, twenty".