1320213203 has 8 divisors (see below), whose sum is σ = 1327015872. Its totient is φ = 1313428456.

The previous prime is 1320213101. The next prime is 1320213211. The reversal of 1320213203 is 3023120231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320213203 - 2¹⁴ = 1320196819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320213403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157976 + ... + 166122.

It is an arithmetic number, because the mean of its divisors is an integer number (165876984).

Almost surely, 2^1320213203 is an apocalyptic number.

1320213203 is a deficient number, since it is larger than the sum of its proper divisors (6802669).

1320213203 is an equidigital number, since it uses as much as digits as its factorization.

1320213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320213203 is about 36334.7382404222. The cubic root of 1320213203 is about 1097.0203667622.

Adding to 1320213203 its reverse (3023120231), we get a palindrome (4343333434).

The spelling of 1320213203 in words is "one billion, three hundred twenty million, two hundred thirteen thousand, two hundred three".