183728382020 has 24 divisors (see below), whose sum is σ = 385837834200. Its totient is φ = 73489784832.

The previous prime is 183728381987. The next prime is 183728382041. The reversal of 183728382020 is 20283827381.

It can be written as a sum of positive squares in 4 ways, for example, as 6776911684 + 176951470336 = 82322^2 + 420656^2 .

It is a super-2 number, since 2×183728382020² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1492166 + ... + 1610594.

It is an arithmetic number, because the mean of its divisors is an integer number (16076576425).

Almost surely, 2^183728382020 is an apocalyptic number.

183728382020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183728382020 is an abundant number, since it is smaller than the sum of its proper divisors (202109452180).

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

183728382020 is a wasteful number, since it uses less digits than its factorization.

183728382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196007 (or 196005 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 183728382020 in words is "one hundred eighty-three billion, seven hundred twenty-eight million, three hundred eighty-two thousand, twenty".