42298020 has 36 divisors (see below), whose sum is σ = 128304540. Its totient is φ = 11279424.

The previous prime is 42298013. The next prime is 42298021. The reversal of 42298020 is 2089224.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 19027044 = 4824^2 + 4362^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (42298021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117315 + ... + 117674.

It is an arithmetic number, because the mean of its divisors is an integer number (3564015).

Almost surely, 2^42298020 is an apocalyptic number.

It is an amenable number.

42298020 is an abundant number, since it is smaller than the sum of its proper divisors (86006520).

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

42298020 is a wasteful number, since it uses less digits than its factorization.

42298020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235004 (or 234999 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 42298020 is about 6503.6927971730. The cubic root of 42298020 is about 348.4228905710.

Adding to 42298020 its product of nonzero digits (2304), we get a palindrome (42300324).

The spelling of 42298020 in words is "forty-two million, two hundred ninety-eight thousand, twenty".