42098020 has 12 divisors (see below), whose sum is σ = 88405884. Its totient is φ = 16839200.

The previous prime is 42098011. The next prime is 42098033. The reversal of 42098020 is 2089024.

It can be written as a sum of positive squares in 2 ways, for example, as 32512804 + 9585216 = 5702^2 + 3096^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1052431 + ... + 1052470.

It is an arithmetic number, because the mean of its divisors is an integer number (7367157).

Almost surely, 2^42098020 is an apocalyptic number.

It is an amenable number.

42098020 is an abundant number, since it is smaller than the sum of its proper divisors (46307864).

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

42098020 is a wasteful number, since it uses less digits than its factorization.

42098020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104910 (or 2104908 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42098020 is about 6488.2986984263. The cubic root of 42098020 is about 347.8728671999.

The spelling of 42098020 in words is "forty-two million, ninety-eight thousand, twenty".