242503320 has 32 divisors (see below), whose sum is σ = 727510320. Its totient is φ = 64667520.

The previous prime is 242503319. The next prime is 242503321. The reversal of 242503320 is 23305242.

242503320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242503319) and next prime (242503321).

It is a super-2 number, since 2×242503320² = 117615720422044800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242503321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010311 + ... + 1010550.

Almost surely, 2^242503320 is an apocalyptic number.

242503320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242503320 is an abundant number, since it is smaller than the sum of its proper divisors (485007000).

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

242503320 is a wasteful number, since it uses less digits than its factorization.

242503320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020875 (or 2020871 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 242503320 is about 15572.5181008082. The cubic root of 242503320 is about 623.5996980569.

Adding to 242503320 its reverse (23305242), we get a palindrome (265808562).

The spelling of 242503320 in words is "two hundred forty-two million, five hundred three thousand, three hundred twenty".