282820777220 has 12 divisors (see below), whose sum is σ = 593923632204. Its totient is φ = 113128310880.

The previous prime is 282820777207. The next prime is 282820777223. The reversal of 282820777220 is 22777028282.

It can be written as a sum of positive squares in 2 ways, for example, as 199456919236 + 83363857984 = 446606^2 + 288728^2 .

It is not an unprimeable number, because it can be changed into a prime (282820777223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7070519411 + ... + 7070519450.

It is an arithmetic number, because the mean of its divisors is an integer number (49493636017).

Almost surely, 2^282820777220 is an apocalyptic number.

282820777220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282820777220 is an abundant number, since it is smaller than the sum of its proper divisors (311102854984).

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

282820777220 is a wasteful number, since it uses less digits than its factorization.

282820777220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141038870 (or 14141038868 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 47.

The spelling of 282820777220 in words is "two hundred eighty-two billion, eight hundred twenty million, seven hundred seventy-seven thousand, two hundred twenty".