1091828382020 has 12 divisors (see below), whose sum is σ = 2292839602284. Its totient is φ = 436731352800.

The previous prime is 1091828382013. The next prime is 1091828382173. The reversal of 1091828382020 is 202838281901.

It can be written as a sum of positive squares in 2 ways, for example, as 745197109504 + 346631272516 = 863248^2 + 588754^2 .

It is a super-2 number, since 2×1091828382020² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27295709531 + ... + 27295709570.

It is an arithmetic number, because the mean of its divisors is an integer number (191069966857).

Almost surely, 2^{1091828382020} is an apocalyptic number.

1091828382020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1091828382020 is an abundant number, since it is smaller than the sum of its proper divisors (1201011220264).

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

1091828382020 is a wasteful number, since it uses less digits than its factorization.

1091828382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54591419110 (or 54591419108 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 1091828382020 in words is "one trillion, ninety-one billion, eight hundred twenty-eight million, three hundred eighty-two thousand, twenty".