442044020220 has 48 divisors (see below), whose sum is σ = 1350243554688. Its totient is φ = 107162186560.

The previous prime is 442044020219. The next prime is 442044020239. The reversal of 442044020220 is 22020440244.

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, 334881174 + ... + 334882493.

It is an arithmetic number, because the mean of its divisors is an integer number (28130074056).

Almost surely, 2^442044020220 is an apocalyptic number.

It is an amenable number.

442044020220 is an abundant number, since it is smaller than the sum of its proper divisors (908199534468).

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

442044020220 is a wasteful number, since it uses less digits than its factorization.

442044020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669763690 (or 669763688 counting only the distinct ones).

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

Adding to 442044020220 its reverse (22020440244), we get a palindrome (464064460464).

The spelling of 442044020220 in words is "four hundred forty-two billion, forty-four million, twenty thousand, two hundred twenty".