1313202213220 has 24 divisors (see below), whose sum is σ = 2796565843008. Its totient is φ = 517882562400.

The previous prime is 1313202213209. The next prime is 1313202213329. The reversal of 1313202213220 is 223122023131.

It is a junction number, because it is equal to n+sod(n) for n = 1313202213191 and 1313202213200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462393726 + ... + 462396565.

It is an arithmetic number, because the mean of its divisors is an integer number (116523576792).

Almost surely, 2^{1313202213220} is an apocalyptic number.

1313202213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313202213220 is an abundant number, since it is smaller than the sum of its proper divisors (1483363629788).

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

1313202213220 is a wasteful number, since it uses less digits than its factorization.

1313202213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924790371 (or 924790369 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1313202213220 its reverse (223122023131), we get a palindrome (1536324236351).

The spelling of 1313202213220 in words is "one trillion, three hundred thirteen billion, two hundred two million, two hundred thirteen thousand, two hundred twenty".