442020341 has 4 divisors (see below), whose sum is σ = 505166112. Its totient is φ = 378874572.

The previous prime is 442020323. The next prime is 442020347. The reversal of 442020341 is 143020244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442020341 - 2¹⁴ = 442003957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442020347) 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, 31572875 + ... + 31572888.

It is an arithmetic number, because the mean of its divisors is an integer number (126291528).

Almost surely, 2^442020341 is an apocalyptic number.

It is an amenable number.

442020341 is a deficient number, since it is larger than the sum of its proper divisors (63145771).

442020341 is an equidigital number, since it uses as much as digits as its factorization.

442020341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63145770.

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

The square root of 442020341 is about 21024.2797974152. The cubic root of 442020341 is about 761.7528453314.

Adding to 442020341 its reverse (143020244), we get a palindrome (585040585).

It can be divided in two parts, 4420203 and 41, that added together give a palindrome (4420244).

The spelling of 442020341 in words is "four hundred forty-two million, twenty thousand, three hundred forty-one".