198324020 has 54 divisors (see below), whose sum is σ = 431976258. Its totient is φ = 76482912.

The previous prime is 198324017. The next prime is 198324043. The reversal of 198324020 is 20423891.

It can be written as a sum of positive squares in only one way, i.e., 158659216 + 39664804 = 12596^2 + 6298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2960027 + ... + 2960093.

Almost surely, 2^198324020 is an apocalyptic number.

198324020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198324020 is an abundant number, since it is smaller than the sum of its proper divisors (233652238).

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

198324020 is an equidigital number, since it uses as much as digits as its factorization.

198324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 198324020 is about 14082.7561222937. The cubic root of 198324020 is about 583.1654315865.

The spelling of 198324020 in words is "one hundred ninety-eight million, three hundred twenty-four thousand, twenty".