242443120420 has 96 divisors (see below), whose sum is σ = 531171680256. Its totient is φ = 92848896000.

The previous prime is 242443120411. The next prime is 242443120421. The reversal of 242443120420 is 24021344242.

It is not an unprimeable number, because it can be changed into a prime (242443120421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42523570 + ... + 42529270.

It is an arithmetic number, because the mean of its divisors is an integer number (5533038336).

Almost surely, 2^242443120420 is an apocalyptic number.

242443120420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242443120420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265585840128).

242443120420 is an abundant number, since it is smaller than the sum of its proper divisors (288728559836).

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

242443120420 is a wasteful number, since it uses less digits than its factorization.

242443120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 242443120420 its reverse (24021344242), we get a palindrome (266464464662).

The spelling of 242443120420 in words is "two hundred forty-two billion, four hundred forty-three million, one hundred twenty thousand, four hundred twenty".