384556020 has 24 divisors (see below), whose sum is σ = 1076757024. Its totient is φ = 102548256.

The previous prime is 384556013. The next prime is 384556061. The reversal of 384556020 is 20655483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3204574 + ... + 3204693.

It is an arithmetic number, because the mean of its divisors is an integer number (44864876).

Almost surely, 2^384556020 is an apocalyptic number.

384556020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384556020 is an abundant number, since it is smaller than the sum of its proper divisors (692201004).

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

384556020 is a wasteful number, since it uses less digits than its factorization.

384556020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409279 (or 6409277 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 384556020 is about 19610.0999487509. The cubic root of 384556020 is about 727.1988857890.

The spelling of 384556020 in words is "three hundred eighty-four million, five hundred fifty-six thousand, twenty".