1313203000020 has 24 divisors (see below), whose sum is σ = 3676968400224. Its totient is φ = 350187466656.

The previous prime is 1313203000009. The next prime is 1313203000027. The reversal of 1313203000020 is 200003023131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313203000027) 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, 10943358274 + ... + 10943358393.

It is an arithmetic number, because the mean of its divisors is an integer number (153207016676).

Almost surely, 2^{1313203000020} is an apocalyptic number.

1313203000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313203000020 is an abundant number, since it is smaller than the sum of its proper divisors (2363765400204).

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

1313203000020 is a wasteful number, since it uses less digits than its factorization.

1313203000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21886716679 (or 21886716677 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1313203000020 its reverse (200003023131), we get a palindrome (1513206023151).

The spelling of 1313203000020 in words is "one trillion, three hundred thirteen billion, two hundred three million, twenty", and thus it is an aban number.