203342240343240 has 384 divisors, whose sum is σ = 712903660560000. Its totient is φ = 50097176801280.

The previous prime is 203342240343223. The next prime is 203342240343293. The reversal of 203342240343240 is 42343042243302.

203342240343240 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 4 + 2 + 2 + 403 + 4 + 3 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 203342240343195 and 203342240343204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 689454526 + ... + 689749394.

It is an arithmetic number, because the mean of its divisors is an integer number (1856519949375).

Almost surely, 2^{203342240343240} is an apocalyptic number.

203342240343240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203342240343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356451830280000).

203342240343240 is an abundant number, since it is smaller than the sum of its proper divisors (509561420216760).

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

203342240343240 is a wasteful number, since it uses less digits than its factorization.

203342240343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297405 (or 297398 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 203342240343240 its reverse (42343042243302), we get a palindrome (245685282586542).

The spelling of 203342240343240 in words is "two hundred three trillion, three hundred forty-two billion, two hundred forty million, three hundred forty-three thousand, two hundred forty".