242321021220 has 96 divisors (see below), whose sum is σ = 701619262848. Its totient is φ = 62453394432.

The previous prime is 242321021219. The next prime is 242321021237. The reversal of 242321021220 is 22120123242.

242321021220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 355609 + ... + 781728.

It is an arithmetic number, because the mean of its divisors is an integer number (7308533988).

Almost surely, 2^242321021220 is an apocalyptic number.

242321021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242321021220 is an abundant number, since it is smaller than the sum of its proper divisors (459298241628).

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

242321021220 is a wasteful number, since it uses less digits than its factorization.

242321021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137469 (or 1137467 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 242321021220 its reverse (22120123242), we get a palindrome (264441144462).

The spelling of 242321021220 in words is "two hundred forty-two billion, three hundred twenty-one million, twenty-one thousand, two hundred twenty".