442020704 has 12 divisors (see below), whose sum is σ = 870228324. Its totient is φ = 221010336.

The previous prime is 442020673. The next prime is 442020707. The reversal of 442020704 is 407020244.

It is a self number, because there is not a number n which added to its sum of digits gives 442020704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442020707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906542 + ... + 6906605.

It is an arithmetic number, because the mean of its divisors is an integer number (72519027).

Almost surely, 2^442020704 is an apocalyptic number.

It is an amenable number.

442020704 is a deficient number, since it is larger than the sum of its proper divisors (428207620).

442020704 is a wasteful number, since it uses less digits than its factorization.

442020704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813157 (or 13813149 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 442020704 is about 21024.2884302894. The cubic root of 442020704 is about 761.7530538559.

Adding to 442020704 its reverse (407020244), we get a palindrome (849040948).

The spelling of 442020704 in words is "four hundred forty-two million, twenty thousand, seven hundred four".