2440204200020 has 24 divisors (see below), whose sum is σ = 5151258298368. Its totient is φ = 970971303200.

The previous prime is 2440204199999. The next prime is 2440204200043. The reversal of 2440204200020 is 200024020442.

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 = 2440204199965 and 2440204200001.

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, 319394636 + ... + 319402275.

It is an arithmetic number, because the mean of its divisors is an integer number (214635762432).

Almost surely, 2^{2440204200020} is an apocalyptic number.

2440204200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440204200020 is an abundant number, since it is smaller than the sum of its proper divisors (2711054098348).

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

2440204200020 is a wasteful number, since it uses less digits than its factorization.

2440204200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638797111 (or 638797109 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2440204200020 its reverse (200024020442), we get a palindrome (2640228220462).

The spelling of 2440204200020 in words is "two trillion, four hundred forty billion, two hundred four million, two hundred thousand, twenty".