13321717620 has 24 divisors (see below), whose sum is σ = 37300809504. Its totient is φ = 3552458016.

The previous prime is 13321717583. The next prime is 13321717679. The reversal of 13321717620 is 2671712331.

It is a congruent number.

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, 111014254 + ... + 111014373.

It is an arithmetic number, because the mean of its divisors is an integer number (1554200396).

Almost surely, 2^13321717620 is an apocalyptic number.

13321717620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321717620 is an abundant number, since it is smaller than the sum of its proper divisors (23979091884).

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

13321717620 is a wasteful number, since it uses less digits than its factorization.

13321717620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222028639 (or 222028637 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The spelling of 13321717620 in words is "thirteen billion, three hundred twenty-one million, seven hundred seventeen thousand, six hundred twenty".