20345032325320 has 64 divisors (see below), whose sum is σ = 48667854309120. Its totient is φ = 7637314823424.

The previous prime is 20345032325279. The next prime is 20345032325327. The reversal of 20345032325320 is 2352323054302.

It is not an unprimeable number, because it can be changed into a prime (20345032325327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208575444 + ... + 208672963.

It is an arithmetic number, because the mean of its divisors is an integer number (760435223580).

Almost surely, 2^{20345032325320} is an apocalyptic number.

20345032325320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20345032325320 is an abundant number, since it is smaller than the sum of its proper divisors (28322821983800).

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

20345032325320 is a wasteful number, since it uses less digits than its factorization.

20345032325320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417248494 (or 417248490 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 20345032325320 its reverse (2352323054302), we get a palindrome (22697355379622).

The spelling of 20345032325320 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, three hundred twenty-five thousand, three hundred twenty".