80582282020 has 72 divisors (see below), whose sum is σ = 176814414504. Its totient is φ = 30845294592.

The previous prime is 80582281957. The next prime is 80582282023. The reversal of 80582282020 is 2028228508.

It can be written as a sum of positive squares in 12 ways, for example, as 34590048256 + 45992233764 = 185984^2 + 214458^2 .

It is not an unprimeable number, because it can be changed into a prime (80582282023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1879462 + ... + 1921858.

It is an arithmetic number, because the mean of its divisors is an integer number (2455755757).

Almost surely, 2^80582282020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80582282020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88407207252).

80582282020 is an abundant number, since it is smaller than the sum of its proper divisors (96232132484).

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

80582282020 is a wasteful number, since it uses less digits than its factorization.

80582282020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42577 (or 42546 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 80582282020 in words is "eighty billion, five hundred eighty-two million, two hundred eighty-two thousand, twenty".