13250220330420 has 576 divisors, whose sum is σ = 42421484851200. Its totient is φ = 3344540958720.

The previous prime is 13250220330419. The next prime is 13250220330443. The reversal of 13250220330420 is 2403302205231.

13250220330420 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 0 + 2 + 203 + 30 + 420 = 666.

It is a super-3 number, since 3×13250220330420³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18428678821 + ... + 18428679539.

It is an arithmetic number, because the mean of its divisors is an integer number (73648411200).

Almost surely, 2^{13250220330420} is an apocalyptic number.

13250220330420 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 13250220330420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21210742425600).

13250220330420 is an abundant number, since it is smaller than the sum of its proper divisors (29171264520780).

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

13250220330420 is a wasteful number, since it uses less digits than its factorization.

13250220330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 13250220330420 its reverse (2403302205231), we get a palindrome (15653522535651).

The spelling of 13250220330420 in words is "thirteen trillion, two hundred fifty billion, two hundred twenty million, three hundred thirty thousand, four hundred twenty".