1320220300203 has 24 divisors (see below), whose sum is σ = 2307611955168. Its totient is φ = 710034446592.

The previous prime is 1320220300181. The next prime is 1320220300211. The reversal of 1320220300203 is 3020030220231.

It is a happy number.

1320220300203 is a `hidden beast` number, since 1 + 320 + 2 + 20 + 300 + 20 + 3 = 666.

It is not a de Polignac number, because 1320220300203 - 2⁸ = 1320220299947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320220300213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616348276 + ... + 616350417.

It is an arithmetic number, because the mean of its divisors is an integer number (96150498132).

Almost surely, 2^{1320220300203} is an apocalyptic number.

1320220300203 is a deficient number, since it is larger than the sum of its proper divisors (987391654965).

1320220300203 is a wasteful number, since it uses less digits than its factorization.

1320220300203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232698723 (or 1232698720 counting only the distinct ones).

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

Adding to 1320220300203 its reverse (3020030220231), we get a palindrome (4340250520434).

The spelling of 1320220300203 in words is "one trillion, three hundred twenty billion, two hundred twenty million, three hundred thousand, two hundred three".