442404020022 has 32 divisors (see below), whose sum is σ = 917719062624. Its totient is φ = 142061760000.

The previous prime is 442404020017. The next prime is 442404020057. The reversal of 442404020022 is 220020404244.

It is a junction number, because it is equal to n+sod(n) for n = 442404019974 and 442404020001.

It is a congruent number.

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, 9842979 + ... + 9887822.

It is an arithmetic number, because the mean of its divisors is an integer number (28678720707).

Almost surely, 2^442404020022 is an apocalyptic number.

442404020022 is an abundant number, since it is smaller than the sum of its proper divisors (475315042602).

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

442404020022 is a wasteful number, since it uses less digits than its factorization.

442404020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730944.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 442404020022 its reverse (220020404244), we get a palindrome (662424424266).

The spelling of 442404020022 in words is "four hundred forty-two billion, four hundred four million, twenty thousand, twenty-two".