442300401020 has 12 divisors (see below), whose sum is σ = 928830842184. Its totient is φ = 176920160400.

The previous prime is 442300401013. The next prime is 442300401029. The reversal of 442300401020 is 20104003244.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 22115020051 = 442300401020 / (4 + 4 + 2 + 3 + 0 + 0 + 4 + 0 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 442300400983 and 442300401001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442300401029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11057510006 + ... + 11057510045.

It is an arithmetic number, because the mean of its divisors is an integer number (77402570182).

Almost surely, 2^442300401020 is an apocalyptic number.

It is an amenable number.

442300401020 is an abundant number, since it is smaller than the sum of its proper divisors (486530441164).

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

442300401020 is a wasteful number, since it uses less digits than its factorization.

442300401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22115020060 (or 22115020058 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 442300401020 its reverse (20104003244), we get a palindrome (462404404264).

The spelling of 442300401020 in words is "four hundred forty-two billion, three hundred million, four hundred one thousand, twenty".