13420029611520 has 800 divisors, whose sum is σ = 58164376045248. Its totient is φ = 2886992658432.

The previous prime is 13420029611519. The next prime is 13420029611539. The reversal of 13420029611520 is 2511692002431.

13420029611520 is a `hidden beast` number, since 1 + 3 + 42 + 0 + 0 + 2 + 96 + 1 + 1 + 520 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24403914 + ... + 24947766.

Almost surely, 2^{13420029611520} is an apocalyptic number.

13420029611520 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 13420029611520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29082188022624).

13420029611520 is an abundant number, since it is smaller than the sum of its proper divisors (44744346433728).

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

13420029611520 is an equidigital number, since it uses as much as digits as its factorization.

13420029611520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543912 (or 543887 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 13420029611520 in words is "thirteen trillion, four hundred twenty billion, twenty-nine million, six hundred eleven thousand, five hundred twenty".