42110220 has 24 divisors (see below), whose sum is σ = 117908784. Its totient is φ = 11229376.

The previous prime is 42110209. The next prime is 42110227. The reversal of 42110220 is 2201124.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 42110196 and 42110205.

It is not an unprimeable number, because it can be changed into a prime (42110227) 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, 350859 + ... + 350978.

It is an arithmetic number, because the mean of its divisors is an integer number (4912866).

Almost surely, 2^42110220 is an apocalyptic number.

It is an amenable number.

42110220 is an abundant number, since it is smaller than the sum of its proper divisors (75798564).

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

42110220 is a wasteful number, since it uses less digits than its factorization.

42110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701849 (or 701847 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 42110220 is about 6489.2387843259. The cubic root of 42110220 is about 347.9064684562.

Adding to 42110220 its reverse (2201124), we get a palindrome (44311344).

The spelling of 42110220 in words is "forty-two million, one hundred ten thousand, two hundred twenty".