242431345220 has 24 divisors (see below), whose sum is σ = 509679825984. Its totient is φ = 96863204576.

The previous prime is 242431345159. The next prime is 242431345259. The reversal of 242431345220 is 22543134242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6815162 + ... + 6850641.

It is an arithmetic number, because the mean of its divisors is an integer number (21236659416).

Almost surely, 2^242431345220 is an apocalyptic number.

242431345220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242431345220 is an abundant number, since it is smaller than the sum of its proper divisors (267248480764).

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

242431345220 is a wasteful number, since it uses less digits than its factorization.

242431345220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666699 (or 13666697 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 242431345220 its reverse (22543134242), we get a palindrome (264974479462).

The spelling of 242431345220 in words is "two hundred forty-two billion, four hundred thirty-one million, three hundred forty-five thousand, two hundred twenty".