1220201020313 has 12 divisors (see below), whose sum is σ = 1341258999024. Its totient is φ = 1109235355800.

The previous prime is 1220201020303. The next prime is 1220201020369. The reversal of 1220201020313 is 3130201020221.

It is not a de Polignac number, because 1220201020313 - 2²⁰ = 1220199971737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220201020291 and 1220201020300.

It is not an unprimeable number, because it can be changed into a prime (1220201020303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3699698 + ... + 4015988.

It is an arithmetic number, because the mean of its divisors is an integer number (111771583252).

Almost surely, 2^{1220201020313} is an apocalyptic number.

It is an amenable number.

1220201020313 is a deficient number, since it is larger than the sum of its proper divisors (121057978711).

1220201020313 is a wasteful number, since it uses less digits than its factorization.

1220201020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348196 (or 348185 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220201020313 its reverse (3130201020221), we get a palindrome (4350402040534).

The spelling of 1220201020313 in words is "one trillion, two hundred twenty billion, two hundred one million, twenty thousand, three hundred thirteen".