242421024220 has 24 divisors (see below), whose sum is σ = 509178322800. Its totient is φ = 96950472192.

The previous prime is 242421024203. The next prime is 242421024311. The reversal of 242421024220 is 22420124242.

It is a congruent 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, 1010005 + ... + 1226764.

It is an arithmetic number, because the mean of its divisors is an integer number (21215763450).

Almost surely, 2^242421024220 is an apocalyptic number.

242421024220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242421024220 is an abundant number, since it is smaller than the sum of its proper divisors (266757298580).

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

242421024220 is a wasteful number, since it uses less digits than its factorization.

242421024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242197 (or 2242195 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 242421024220 its reverse (22420124242), we get a palindrome (264841148462).

The spelling of 242421024220 in words is "two hundred forty-two billion, four hundred twenty-one million, twenty-four thousand, two hundred twenty".