42020850 has 24 divisors (see below), whose sum is σ = 104212080. Its totient is φ = 11205520.

The previous prime is 42020827. The next prime is 42020857. The reversal of 42020850 is 5802024.

42020850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42020857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139920 + ... + 140219.

It is an arithmetic number, because the mean of its divisors is an integer number (4342170).

Almost surely, 2^42020850 is an apocalyptic number.

42020850 is an abundant number, since it is smaller than the sum of its proper divisors (62191230).

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

42020850 is a wasteful number, since it uses less digits than its factorization.

42020850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280154 (or 280149 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42020850 is about 6482.3491112405. The cubic root of 42020850 is about 347.6601749378.

Adding to 42020850 its reverse (5802024), we get a palindrome (47822874).

The spelling of 42020850 in words is "forty-two million, twenty thousand, eight hundred fifty".