1320204002201 has 16 divisors (see below), whose sum is σ = 1599931666944. Its totient is φ = 1063455934464.

The previous prime is 1320204002197. The next prime is 1320204002233. The reversal of 1320204002201 is 1022004020231.

It is not a de Polignac number, because 1320204002201 - 2² = 1320204002197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320204002201.

It is not an unprimeable number, because it can be changed into a prime (1320204002701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8162225 + ... + 8322398.

It is an arithmetic number, because the mean of its divisors is an integer number (99995729184).

Almost surely, 2^{1320204002201} is an apocalyptic number.

It is an amenable number.

1320204002201 is a deficient number, since it is larger than the sum of its proper divisors (279727664743).

1320204002201 is a wasteful number, since it uses less digits than its factorization.

1320204002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16485320.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1320204002201 its reverse (1022004020231), we get a palindrome (2342208022432).

The spelling of 1320204002201 in words is "one trillion, three hundred twenty billion, two hundred four million, two thousand, two hundred one".