442212552020 has 24 divisors (see below), whose sum is σ = 983272616424. Its totient is φ = 166480019456.

The previous prime is 442212552011. The next prime is 442212552029. The reversal of 442212552020 is 20255212244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442212552011) and next prime (442212552029).

It can be written as a sum of positive squares in 4 ways, for example, as 10723845136 + 431488706884 = 103556^2 + 656878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442212552029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650312237 + ... + 650312916.

It is an arithmetic number, because the mean of its divisors is an integer number (40969692351).

Almost surely, 2^442212552020 is an apocalyptic number.

It is an amenable number.

442212552020 is an abundant number, since it is smaller than the sum of its proper divisors (541060064404).

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

442212552020 is a wasteful number, since it uses less digits than its factorization.

442212552020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300625179 (or 1300625177 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 442212552020 its reverse (20255212244), we get a palindrome (462467764264).

The spelling of 442212552020 in words is "four hundred forty-two billion, two hundred twelve million, five hundred fifty-two thousand, twenty".