80020324800 has 504 divisors, whose sum is σ = 316192123520. Its totient is φ = 19060531200.

The previous prime is 80020324789. The next prime is 80020324823. The reversal of 80020324800 is 842302008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5796306 + ... + 5810094.

Almost surely, 2^80020324800 is an apocalyptic number.

80020324800 is a gapful number since it is divisible by the number (80) 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 80020324800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158096061760).

80020324800 is an abundant number, since it is smaller than the sum of its proper divisors (236171798720).

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

80020324800 is a wasteful number, since it uses less digits than its factorization.

80020324800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861 (or 13843 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 80020324800 its reverse (842302008), we get a palindrome (80862626808).

The spelling of 80020324800 in words is "eighty billion, twenty million, three hundred twenty-four thousand, eight hundred".