13420220305000 has 80 divisors (see below), whose sum is σ = 31481063460000. Its totient is φ = 5361688248000.

The previous prime is 13420220304943. The next prime is 13420220305007. The reversal of 13420220305000 is 50302202431.

13420220305000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13420220305007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2595451 + ... + 5794549.

It is an arithmetic number, because the mean of its divisors is an integer number (393513293250).

Almost surely, 2^{13420220305000} is an apocalyptic number.

13420220305000 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 13420220305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15740531730000).

13420220305000 is an abundant number, since it is smaller than the sum of its proper divisors (18060843155000).

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

13420220305000 is an equidigital number, since it uses as much as digits as its factorization.

13420220305000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199964 (or 3199945 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 13420220305000 its reverse (50302202431), we get a palindrome (13470522507431).

The spelling of 13420220305000 in words is "thirteen trillion, four hundred twenty billion, two hundred twenty million, three hundred five thousand".