242340220 has 12 divisors (see below), whose sum is σ = 508914504. Its totient is φ = 96936080.

The previous prime is 242340209. The next prime is 242340229. The reversal of 242340220 is 22043242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242340229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6058486 + ... + 6058525.

It is an arithmetic number, because the mean of its divisors is an integer number (42409542).

Almost surely, 2^242340220 is an apocalyptic number.

242340220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242340220 is an abundant number, since it is smaller than the sum of its proper divisors (266574284).

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

242340220 is a wasteful number, since it uses less digits than its factorization.

242340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12117020 (or 12117018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 242340220 is about 15567.2804304413. The cubic root of 242340220 is about 623.4598622787.

Adding to 242340220 its reverse (22043242), we get a palindrome (264383462).

The spelling of 242340220 in words is "two hundred forty-two million, three hundred forty thousand, two hundred twenty".