13235120605620 has 192 divisors, whose sum is σ = 41365539129600. Its totient is φ = 3513119592960.

The previous prime is 13235120605607. The next prime is 13235120605657. The reversal of 13235120605620 is 2650602153231.

13235120605620 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 5 + 1 + 20 + 6 + 0 + 5 + 620 = 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 63 ways as a sum of consecutive naturals, for example, 989091330 + ... + 989104710.

It is an arithmetic number, because the mean of its divisors is an integer number (215445516300).

Almost surely, 2^{13235120605620} is an apocalyptic number.

13235120605620 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 13235120605620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20682769564800).

13235120605620 is an abundant number, since it is smaller than the sum of its proper divisors (28130418523980).

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

13235120605620 is a wasteful number, since it uses less digits than its factorization.

13235120605620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21695 (or 21687 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 13235120605620 its reverse (2650602153231), we get a palindrome (15885722758851).

The spelling of 13235120605620 in words is "thirteen trillion, two hundred thirty-five billion, one hundred twenty million, six hundred five thousand, six hundred twenty".