442020400303 has 2 divisors, whose sum is σ = 442020400304. Its totient is φ = 442020400302.

The previous prime is 442020400207. The next prime is 442020400319. The reversal of 442020400303 is 303004020244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442020400303 - 2³⁷ = 304581446831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442020400363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221010200151 + 221010200152.

It is an arithmetic number, because the mean of its divisors is an integer number (221010200152).

Almost surely, 2^442020400303 is an apocalyptic number.

442020400303 is a deficient number, since it is larger than the sum of its proper divisors (1).

442020400303 is an equidigital number, since it uses as much as digits as its factorization.

442020400303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 442020400303 its reverse (303004020244), we get a palindrome (745024420547).

The spelling of 442020400303 in words is "four hundred forty-two billion, twenty million, four hundred thousand, three hundred three".