198020044 has 12 divisors (see below), whose sum is σ = 347250064. Its totient is φ = 98805744.

The previous prime is 198020023. The next prime is 198020059. The reversal of 198020044 is 440020891.

It is a junction number, because it is equal to n+sod(n) for n = 198019994 and 198020021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48879 + ... + 52774.

Almost surely, 2^198020044 is an apocalyptic number.

It is an amenable number.

198020044 is a deficient number, since it is larger than the sum of its proper divisors (149230020).

198020044 is a wasteful number, since it uses less digits than its factorization.

198020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102144 (or 102142 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 198020044 is about 14071.9594939724. The cubic root of 198020044 is about 582.8673353360.

The spelling of 198020044 in words is "one hundred ninety-eight million, twenty thousand, forty-four".