384021820204 has 24 divisors (see below), whose sum is σ = 733883039568. Its totient is φ = 174376688640.

The previous prime is 384021820159. The next prime is 384021820211. The reversal of 384021820204 is 402028120483.

It is a self number, because there is not a number n which added to its sum of digits gives 384021820204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423629 + ... + 4509604.

It is an arithmetic number, because the mean of its divisors is an integer number (30578459982).

Almost surely, 2^384021820204 is an apocalyptic number.

It is an amenable number.

384021820204 is a deficient number, since it is larger than the sum of its proper divisors (349861219364).

384021820204 is a wasteful number, since it uses less digits than its factorization.

384021820204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8934225 (or 8934223 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 384021820204 its reverse (402028120483), we get a palindrome (786049940687).

The spelling of 384021820204 in words is "three hundred eighty-four billion, twenty-one million, eight hundred twenty thousand, two hundred four".