442020333 has 8 divisors (see below), whose sum is σ = 589680000. Its totient is φ = 294520448.

The previous prime is 442020323. The next prime is 442020347. The reversal of 442020333 is 333020244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442020333 - 2⁹ = 442019821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442020323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33333 + ... + 44666.

It is an arithmetic number, because the mean of its divisors is an integer number (73710000).

Almost surely, 2^442020333 is an apocalyptic number.

It is an amenable number.

442020333 is a deficient number, since it is larger than the sum of its proper divisors (147659667).

442020333 is a wasteful number, since it uses less digits than its factorization.

442020333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79891.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 442020333 is about 21024.2796071590. The cubic root of 442020333 is about 761.7528407358.

Adding to 442020333 its reverse (333020244), we get a palindrome (775040577).

It can be divided in two parts, 4420 and 20333, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 442020333 in words is "four hundred forty-two million, twenty thousand, three hundred thirty-three".