220042242444 has 24 divisors (see below), whose sum is σ = 514531338048. Its totient is φ = 73190351440.

The previous prime is 220042242403. The next prime is 220042242517. The reversal of 220042242444 is 444242240022.

It is a happy 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, 19627002 + ... + 19638209.

It is an arithmetic number, because the mean of its divisors is an integer number (21438805752).

Almost surely, 2^220042242444 is an apocalyptic number.

It is an amenable number.

220042242444 is an abundant number, since it is smaller than the sum of its proper divisors (294489095604).

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

220042242444 is a wasteful number, since it uses less digits than its factorization.

220042242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39265685 (or 39265683 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 220042242444 its reverse (444242240022), we get a palindrome (664284482466).

The spelling of 220042242444 in words is "two hundred twenty billion, forty-two million, two hundred forty-two thousand, four hundred forty-four".