442020700 has 72 divisors (see below), whose sum is σ = 1050089040. Its totient is φ = 160166400.

The previous prime is 442020673. The next prime is 442020707. The reversal of 442020700 is 7020244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442020707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427384 + ... + 428416.

It is an arithmetic number, because the mean of its divisors is an integer number (14584570).

Almost surely, 2^442020700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442020700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525044520).

442020700 is an abundant number, since it is smaller than the sum of its proper divisors (608068340).

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

442020700 is a wasteful number, since it uses less digits than its factorization.

442020700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 442020700 is about 21024.2883351613. The cubic root of 442020700 is about 761.7530515581.

Adding to 442020700 its reverse (7020244), we get a palindrome (449040944).

The spelling of 442020700 in words is "four hundred forty-two million, twenty thousand, seven hundred".