1203340320 has 384 divisors, whose sum is σ = 5185313280. Its totient is φ = 253808640.

The previous prime is 1203340247. The next prime is 1203340339. The reversal of 1203340320 is 230433021.

1203340320 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 340 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1203340293 and 1203340302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 391590 + ... + 394650.

It is an arithmetic number, because the mean of its divisors is an integer number (13503420).

Almost surely, 2^1203340320 is an apocalyptic number.

1203340320 is a gapful number since it is divisible by the number (10) 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 1203340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592656640).

1203340320 is an abundant number, since it is smaller than the sum of its proper divisors (3981972960).

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

1203340320 is a wasteful number, since it uses less digits than its factorization.

1203340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1203340320 is about 34689.1960125916. The cubic root of 1203340320 is about 1063.6436611776.

Adding to 1203340320 its reverse (230433021), we get a palindrome (1433773341).

The spelling of 1203340320 in words is "one billion, two hundred three million, three hundred forty thousand, three hundred twenty".