442341020 has 48 divisors (see below), whose sum is σ = 1072981728. Its totient is φ = 151388160.

The previous prime is 442341001. The next prime is 442341047. The reversal of 442341020 is 20143244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 442340983 and 442341001.

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, 55397 + ... + 62876.

It is an arithmetic number, because the mean of its divisors is an integer number (22353786).

Almost surely, 2^442341020 is an apocalyptic number.

It is an amenable number.

442341020 is an abundant number, since it is smaller than the sum of its proper divisors (630640708).

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

442341020 is a wasteful number, since it uses less digits than its factorization.

442341020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118310 (or 118308 counting only the distinct ones).

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

The square root of 442341020 is about 21031.9048115001. The cubic root of 442341020 is about 761.9370141493.

Adding to 442341020 its reverse (20143244), we get a palindrome (462484264).

It can be divided in two parts, 44234 and 1020, that added together give a palindrome (45254).

The spelling of 442341020 in words is "four hundred forty-two million, three hundred forty-one thousand, twenty".