442020083 has 2 divisors, whose sum is σ = 442020084. Its totient is φ = 442020082.

The previous prime is 442020079. The next prime is 442020097. The reversal of 442020083 is 380020244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442020083 - 2² = 442020079 is a prime.

It is not a weakly prime, because it can be changed into another prime (442020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221010041 + 221010042.

It is an arithmetic number, because the mean of its divisors is an integer number (221010042).

Almost surely, 2^442020083 is an apocalyptic number.

442020083 is a deficient number, since it is larger than the sum of its proper divisors (1).

442020083 is an equidigital number, since it uses as much as digits as its factorization.

442020083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 442020083 is about 21024.2736616512. The cubic root of 442020083 is about 761.7526971238.

The spelling of 442020083 in words is "four hundred forty-two million, twenty thousand, eighty-three".