442020332 has 48 divisors (see below), whose sum is σ = 928499040. Its totient is φ = 181896192.

The previous prime is 442020323. The next prime is 442020347. The reversal of 442020332 is 233020244.

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, 3638 + ... + 29954.

It is an arithmetic number, because the mean of its divisors is an integer number (19343730).

Almost surely, 2^442020332 is an apocalyptic number.

It is an amenable number.

442020332 is an abundant number, since it is smaller than the sum of its proper divisors (486478708).

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

442020332 is a wasteful number, since it uses less digits than its factorization.

442020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370 (or 26368 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 442020332 is about 21024.2795833769. The cubic root of 442020332 is about 761.7528401614.

Adding to 442020332 its reverse (233020244), we get a palindrome (675040576).

The spelling of 442020332 in words is "four hundred forty-two million, twenty thousand, three hundred thirty-two".