240020404420 has 24 divisors (see below), whose sum is σ = 504054936000. Its totient is φ = 96005859552.

The previous prime is 240020404369. The next prime is 240020404427. The reversal of 240020404420 is 24404020042.

240020404420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 240020404391 and 240020404400.

It is not an unprimeable number, because it can be changed into a prime (240020404427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893391 + ... + 1130569.

It is an arithmetic number, because the mean of its divisors is an integer number (21002289000).

Almost surely, 2^240020404420 is an apocalyptic number.

240020404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240020404420 is an abundant number, since it is smaller than the sum of its proper divisors (264034531580).

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

240020404420 is a wasteful number, since it uses less digits than its factorization.

240020404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287787 (or 287785 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 240020404420 its reverse (24404020042), we get a palindrome (264424424462).

The spelling of 240020404420 in words is "two hundred forty billion, twenty million, four hundred four thousand, four hundred twenty".