13333333333320 has 1536 divisors, whose sum is σ = 60352021416960. Its totient is φ = 2463436800000.

The previous prime is 13333333333303. The next prime is 13333333333339. The reversal of 13333333333320 is 2333333333331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1346660370 + ... + 1346670270.

It is an arithmetic number, because the mean of its divisors is an integer number (39291680610).

Almost surely, 2^{13333333333320} is an apocalyptic number.

13333333333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13333333333320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30176010708480).

13333333333320 is an abundant number, since it is smaller than the sum of its proper divisors (47018688083640).

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

13333333333320 is a wasteful number, since it uses less digits than its factorization.

13333333333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087 (or 10080 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 36.

Adding to 13333333333320 its reverse (2333333333331), we get a palindrome (15666666666651).

It can be divided in two parts, 13 and 333333333320, that added together give a palindrome (333333333333).

The spelling of 13333333333320 in words is "thirteen trillion, three hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred twenty".