382565239020 has 144 divisors (see below), whose sum is σ = 1222046192640. Its totient is φ = 96606753408.

The previous prime is 382565239009. The next prime is 382565239027. The reversal of 382565239020 is 20932565283.

382565239020 is a `hidden beast` number, since 3 + 8 + 256 + 5 + 2 + 390 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (382565239027) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8414469 + ... + 8459811.

Almost surely, 2^382565239020 is an apocalyptic number.

382565239020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382565239020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611023096320).

382565239020 is an abundant number, since it is smaller than the sum of its proper divisors (839480953620).

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

382565239020 is a wasteful number, since it uses less digits than its factorization.

382565239020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47844 (or 47839 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 382565239020 in words is "three hundred eighty-two billion, five hundred sixty-five million, two hundred thirty-nine thousand, twenty".