242345620 has 24 divisors (see below), whose sum is σ = 555192288. Its totient is φ = 88125600.

The previous prime is 242345599. The next prime is 242345639. The reversal of 242345620 is 26543242.

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, 550566 + ... + 551005.

It is an arithmetic number, because the mean of its divisors is an integer number (23133012).

Almost surely, 2^242345620 is an apocalyptic number.

242345620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242345620 is an abundant number, since it is smaller than the sum of its proper divisors (312846668).

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

242345620 is a wasteful number, since it uses less digits than its factorization.

242345620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101591 (or 1101589 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 242345620 is about 15567.4538701741. The cubic root of 242345620 is about 623.4644930388.

Adding to 242345620 its reverse (26543242), we get a palindrome (268888862).

The spelling of 242345620 in words is "two hundred forty-two million, three hundred forty-five thousand, six hundred twenty".