42330220 has 24 divisors (see below), whose sum is σ = 91297584. Its totient is φ = 16474176.

The previous prime is 42330209. The next prime is 42330229. The reversal of 42330220 is 2203324.

It is a junction number, because it is equal to n+sod(n) for n = 42330194 and 42330203.

It is not an unprimeable number, because it can be changed into a prime (42330229) 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, 27862 + ... + 29341.

It is an arithmetic number, because the mean of its divisors is an integer number (3804066).

Almost surely, 2^42330220 is an apocalyptic number.

It is an amenable number.

42330220 is an abundant number, since it is smaller than the sum of its proper divisors (48967364).

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

42330220 is a wasteful number, since it uses less digits than its factorization.

42330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57249 (or 57247 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42330220 is about 6506.1678429011. The cubic root of 42330220 is about 348.5112821896.

Adding to 42330220 its reverse (2203324), we get a palindrome (44533544).

The spelling of 42330220 in words is "forty-two million, three hundred thirty thousand, two hundred twenty".