20328530000 has 50 divisors (see below), whose sum is σ = 49217428194. Its totient is φ = 8131408000.

The previous prime is 20328529999. The next prime is 20328530039. The reversal of 20328530000 is 3582302.

It can be written as a sum of positive squares in 5 ways, for example, as 3007864336 + 17320665664 = 54844^2 + 131608^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1006427 + ... + 1026426.

Almost surely, 2^20328530000 is an apocalyptic number.

20328530000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20328530000 is an abundant number, since it is smaller than the sum of its proper divisors (28888898194).

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

20328530000 is an equidigital number, since it uses as much as digits as its factorization.

20328530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032881 (or 2032860 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 20328530000 in words is "twenty billion, three hundred twenty-eight million, five hundred thirty thousand".