203242320340 has 24 divisors (see below), whose sum is σ = 426831545952. Its totient is φ = 81292609440.

The previous prime is 203242320331. The next prime is 203242320349. The reversal of 203242320340 is 43023242302.

It is an interprime number because it is at equal distance from previous prime (203242320331) and next prime (203242320349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203242320349) 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, 130467 + ... + 650773.

It is an arithmetic number, because the mean of its divisors is an integer number (17784647748).

Almost surely, 2^203242320340 is an apocalyptic number.

203242320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203242320340 is an abundant number, since it is smaller than the sum of its proper divisors (223589225612).

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

203242320340 is a wasteful number, since it uses less digits than its factorization.

203242320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539847 (or 539845 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 203242320340 its reverse (43023242302), we get a palindrome (246265562642).

The spelling of 203242320340 in words is "two hundred three billion, two hundred forty-two million, three hundred twenty thousand, three hundred forty".