240020442220 has 48 divisors (see below), whose sum is σ = 550917224928. Its totient is φ = 87300195840.

The previous prime is 240020442209. The next prime is 240020442307. The reversal of 240020442220 is 22244020042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 240020442191 and 240020442200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6871801 + ... + 6906640.

It is an arithmetic number, because the mean of its divisors is an integer number (11477442186).

Almost surely, 2^240020442220 is an apocalyptic number.

240020442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240020442220 is an abundant number, since it is smaller than the sum of its proper divisors (310896782708).

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

240020442220 is a wasteful number, since it uses less digits than its factorization.

240020442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13778530 (or 13778528 counting only the distinct ones).

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

Adding to 240020442220 its reverse (22244020042), we get a palindrome (262264462262).

The spelling of 240020442220 in words is "two hundred forty billion, twenty million, four hundred forty-two thousand, two hundred twenty".