1203200320 has 56 divisors (see below), whose sum is σ = 3274429824. Its totient is φ = 412525056.

The previous prime is 1203200261. The next prime is 1203200321. The reversal of 1203200320 is 230023021.

It is a happy number.

1203200320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 1203200320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203200321) 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, 266332 + ... + 270811.

Almost surely, 2^1203200320 is an apocalyptic number.

1203200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203200320 is an abundant number, since it is smaller than the sum of its proper divisors (2071229504).

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

1203200320 is an equidigital number, since it uses as much as digits as its factorization.

1203200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537167 (or 537157 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1203200320 is about 34687.1780345418. The cubic root of 1203200320 is about 1063.6024104786.

Adding to 1203200320 its reverse (230023021), we get a palindrome (1433223341).

The spelling of 1203200320 in words is "one billion, two hundred three million, two hundred thousand, three hundred twenty".