242303543220 has 48 divisors (see below), whose sum is σ = 678663070848. Its totient is φ = 64593978240.

The previous prime is 242303543201. The next prime is 242303543221. The reversal of 242303543220 is 22345303242.

It is a happy number.

It is a super-2 number, since 2×242303543220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242303543221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441319 + ... + 824238.

It is an arithmetic number, because the mean of its divisors is an integer number (14138813976).

Almost surely, 2^242303543220 is an apocalyptic number.

242303543220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242303543220 is an abundant number, since it is smaller than the sum of its proper divisors (436359527628).

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

242303543220 is a wasteful number, since it uses less digits than its factorization.

242303543220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268760 (or 1268758 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 242303543220 its reverse (22345303242), we get a palindrome (264648846462).

The spelling of 242303543220 in words is "two hundred forty-two billion, three hundred three million, five hundred forty-three thousand, two hundred twenty".