42602220 has 48 divisors (see below), whose sum is σ = 132541920. Its totient is φ = 11360448.

The previous prime is 42602191. The next prime is 42602227. The reversal of 42602220 is 2220624.

It is a happy number.

42602220 is a `hidden beast` number, since 42 + 602 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42602193 and 42602202.

It is not an unprimeable number, because it can be changed into a prime (42602227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38907 + ... + 39986.

It is an arithmetic number, because the mean of its divisors is an integer number (2761290).

Almost surely, 2^42602220 is an apocalyptic number.

It is an amenable number.

42602220 is an abundant number, since it is smaller than the sum of its proper divisors (89939700).

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

42602220 is a wasteful number, since it uses less digits than its factorization.

42602220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78911 (or 78903 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42602220 is about 6527.0376128838. The cubic root of 42602220 is about 349.2561617728.

Adding to 42602220 its reverse (2220624), we get a palindrome (44822844).

The spelling of 42602220 in words is "forty-two million, six hundred two thousand, two hundred twenty".