385858382020 has 48 divisors (see below), whose sum is σ = 818444371248. Its totient is φ = 152792985600.

The previous prime is 385858382017. The next prime is 385858382033. The reversal of 385858382020 is 20283858583.

It can be written as a sum of positive squares in 8 ways, for example, as 192735048256 + 193123333764 = 439016^2 + 439458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25349452 + ... + 25364668.

It is an arithmetic number, because the mean of its divisors is an integer number (17050924401).

Almost surely, 2^385858382020 is an apocalyptic number.

It is an amenable number.

385858382020 is an abundant number, since it is smaller than the sum of its proper divisors (432585989228).

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

385858382020 is a wasteful number, since it uses less digits than its factorization.

385858382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27880 (or 27878 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 385858382020 in words is "three hundred eighty-five billion, eight hundred fifty-eight million, three hundred eighty-two thousand, twenty".