442020435 has 32 divisors (see below), whose sum is σ = 725514240. Its totient is φ = 229678848.

The previous prime is 442020433. The next prime is 442020437. The reversal of 442020435 is 534020244.

It is an interprime number because it is at equal distance from previous prime (442020433) and next prime (442020437).

It is not a de Polignac number, because 442020435 - 2¹ = 442020433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442020433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390951 + ... + 392079.

It is an arithmetic number, because the mean of its divisors is an integer number (22672320).

Almost surely, 2^442020435 is an apocalyptic number.

442020435 is a deficient number, since it is larger than the sum of its proper divisors (283493805).

442020435 is a wasteful number, since it uses less digits than its factorization.

442020435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 442020435 is about 21024.2820329256. The cubic root of 442020435 is about 761.7528993295.

Adding to 442020435 its reverse (534020244), we get a palindrome (976040679).

The spelling of 442020435 in words is "four hundred forty-two million, twenty thousand, four hundred thirty-five".