198020000022 has 32 divisors (see below), whose sum is σ = 426575933952. Its totient is φ = 60919042464.

The previous prime is 198019999987. The next prime is 198020000081. The reversal of 198020000022 is 220000020891.

198020000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 198019999947 and 198020000001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264003 + ... + 682449.

It is an arithmetic number, because the mean of its divisors is an integer number (13330497936).

Almost surely, 2^198020000022 is an apocalyptic number.

198020000022 is an abundant number, since it is smaller than the sum of its proper divisors (228555933930).

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

198020000022 is a wasteful number, since it uses less digits than its factorization.

198020000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424532.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 198020000022 in words is "one hundred ninety-eight billion, twenty million, twenty-two", and thus it is an aban number.