442020662 has 4 divisors (see below), whose sum is σ = 663030996. Its totient is φ = 221010330.

The previous prime is 442020613. The next prime is 442020671. The reversal of 442020662 is 266020244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505164 + ... + 110505167.

It is an arithmetic number, because the mean of its divisors is an integer number (165757749).

Almost surely, 2^442020662 is an apocalyptic number.

442020662 is a deficient number, since it is larger than the sum of its proper divisors (221010334).

442020662 is a wasteful number, since it uses less digits than its factorization.

442020662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221010333.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 442020662 is about 21024.2874314446. The cubic root of 442020662 is about 761.7530297291.

The spelling of 442020662 in words is "four hundred forty-two million, twenty thousand, six hundred sixty-two".