442420000220 has 24 divisors (see below), whose sum is σ = 1013544001008. Its totient is φ = 160880000000.

The previous prime is 442420000219. The next prime is 442420000261. The reversal of 442420000220 is 22000024244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 442420000192 and 442420000201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005499781 + ... + 1005500220.

It is an arithmetic number, because the mean of its divisors is an integer number (42231000042).

Almost surely, 2^442420000220 is an apocalyptic number.

It is an amenable number.

442420000220 is an abundant number, since it is smaller than the sum of its proper divisors (571124000788).

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

442420000220 is a wasteful number, since it uses less digits than its factorization.

442420000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011000021 (or 2011000019 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 442420000220 its reverse (22000024244), we get a palindrome (464420024464).

The spelling of 442420000220 in words is "four hundred forty-two billion, four hundred twenty million, two hundred twenty", and thus it is an aban number.