203324242421340 has 288 divisors, whose sum is σ = 634738387570560. Its totient is φ = 52661264867328.

The previous prime is 203324242421291. The next prime is 203324242421467. The reversal of 203324242421340 is 43124242423302.

203324242421340 is a `hidden beast` number, since 2 + 0 + 3 + 32 + 4 + 242 + 42 + 1 + 340 = 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 = 203324242421295 and 203324242421304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 468989152 + ... + 469422488.

It is an arithmetic number, because the mean of its divisors is an integer number (2203952734620).

Almost surely, 2^{203324242421340} is an apocalyptic number.

203324242421340 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 203324242421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317369193785280).

203324242421340 is an abundant number, since it is smaller than the sum of its proper divisors (431414145149220).

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

203324242421340 is a wasteful number, since it uses less digits than its factorization.

203324242421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433901 (or 433896 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 203324242421340 its reverse (43124242423302), we get a palindrome (246448484844642).

The spelling of 203324242421340 in words is "two hundred three trillion, three hundred twenty-four billion, two hundred forty-two million, four hundred twenty-one thousand, three hundred forty".