3426020352720 has 480 divisors, whose sum is σ = 13825907656704. Its totient is φ = 743321779200.

The previous prime is 3426020352709. The next prime is 3426020352721. The reversal of 3426020352720 is 272530206243.

3426020352720 is a `hidden beast` number, since 3 + 4 + 2 + 602 + 0 + 3 + 5 + 27 + 20 = 666.

It is a super-2 number, since 2×3426020352720² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426020352721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15072715 + ... + 15298325.

Almost surely, 2^{3426020352720} is an apocalyptic number.

3426020352720 is a gapful number since it is divisible by the number (30) 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 3426020352720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6912953828352).

3426020352720 is an abundant number, since it is smaller than the sum of its proper divisors (10399887303984).

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

3426020352720 is a wasteful number, since it uses less digits than its factorization.

3426020352720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225791 (or 225782 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 3426020352720 its reverse (272530206243), we get a palindrome (3698550558963).

The spelling of 3426020352720 in words is "three trillion, four hundred twenty-six billion, twenty million, three hundred fifty-two thousand, seven hundred twenty".