20325050550500 has 96 divisors (see below), whose sum is σ = 44986943121120. Its totient is φ = 8021073561600.

The previous prime is 20325050550499. The next prime is 20325050550517. The reversal of 20325050550500 is 505505052302.

It can be written as a sum of positive squares in 16 ways, for example, as 8706878350564 + 11618172199936 = 2950742^2 + 3408544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19836782 + ... + 20836218.

It is an arithmetic number, because the mean of its divisors is an integer number (468613990845).

Almost surely, 2^{20325050550500} is an apocalyptic number.

20325050550500 is a gapful number since it is divisible by the number (20) 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 20325050550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22493471560560).

20325050550500 is an abundant number, since it is smaller than the sum of its proper divisors (24661892570620).

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

20325050550500 is a wasteful number, since it uses less digits than its factorization.

20325050550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000002 (or 999990 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 20325050550500 in words is "twenty trillion, three hundred twenty-five billion, fifty million, five hundred fifty thousand, five hundred".