20201104110440 has 48 divisors (see below), whose sum is σ = 49960168648740. Its totient is φ = 7345856038400.

The previous prime is 20201104110431. The next prime is 20201104110443. The reversal of 20201104110440 is 4401140110202.

It can be written as a sum of positive squares in 2 ways, for example, as 19966187469316 + 234916641124 = 4468354^2 + 484682^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20201104110443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086886081 + ... + 2086895760.

Almost surely, 2^{20201104110440} is an apocalyptic number.

20201104110440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201104110440 is an abundant number, since it is smaller than the sum of its proper divisors (29759064538300).

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

20201104110440 is a wasteful number, since it uses less digits than its factorization.

20201104110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173781874 (or 4173781859 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20201104110440 its reverse (4401140110202), we get a palindrome (24602244220642).

The spelling of 20201104110440 in words is "twenty trillion, two hundred one billion, one hundred four million, one hundred ten thousand, four hundred forty".