18382746382020 has 72 divisors (see below), whose sum is σ = 55787091646104. Its totient is φ = 4899771698688.

The previous prime is 18382746382019. The next prime is 18382746382069. The reversal of 18382746382020 is 2028364728381.

18382746382020 is a `hidden beast` number, since 1 + 8 + 3 + 82 + 7 + 463 + 82 + 0 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 264426322176 + 18118320059844 = 514224^2 + 4256562^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23510139 + ... + 24279458.

It is an arithmetic number, because the mean of its divisors is an integer number (774820717307).

Almost surely, 2^{18382746382020} is an apocalyptic number.

18382746382020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18382746382020 is an abundant number, since it is smaller than the sum of its proper divisors (37404345264084).

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

18382746382020 is a wasteful number, since it uses less digits than its factorization.

18382746382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47791749 (or 47791744 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 18382746382020 in words is "eighteen trillion, three hundred eighty-two billion, seven hundred forty-six million, three hundred eighty-two thousand, twenty".