442432030220 has 24 divisors (see below), whose sum is σ = 931784820624. Its totient is φ = 176462801216.

The previous prime is 442432030217. The next prime is 442432030237. The reversal of 442432030220 is 22030234244.

It is a happy number.

It is a super-2 number, since 2×442432030220² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442432030220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31868567 + ... + 31882446.

It is an arithmetic number, because the mean of its divisors is an integer number (38824367526).

Almost surely, 2^442432030220 is an apocalyptic number.

It is an amenable number.

442432030220 is an abundant number, since it is smaller than the sum of its proper divisors (489352790404).

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

442432030220 is a wasteful number, since it uses less digits than its factorization.

442432030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63751369 (or 63751367 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 442432030220 its reverse (22030234244), we get a palindrome (464462264464).

The spelling of 442432030220 in words is "four hundred forty-two billion, four hundred thirty-two million, thirty thousand, two hundred twenty".