1313220210220 has 24 divisors (see below), whose sum is σ = 2919983762304. Its totient is φ = 494388784896.

The previous prime is 1313220210163. The next prime is 1313220210221. The reversal of 1313220210220 is 220120223131.

It is not an unprimeable number, because it can be changed into a prime (1313220210221) 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, 1931205852 + ... + 1931206531.

It is an arithmetic number, because the mean of its divisors is an integer number (121665990096).

Almost surely, 2^{1313220210220} is an apocalyptic number.

1313220210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313220210220 is an abundant number, since it is smaller than the sum of its proper divisors (1606763552084).

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

1313220210220 is a wasteful number, since it uses less digits than its factorization.

1313220210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862412409 (or 3862412407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1313220210220 its reverse (220120223131), we get a palindrome (1533340433351).

The spelling of 1313220210220 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, two hundred ten thousand, two hundred twenty".