198470546020 has 24 divisors (see below), whose sum is σ = 417199628664. Its totient is φ = 79309840896.

The previous prime is 198470545939. The next prime is 198470546039. The reversal of 198470546020 is 20645074891.

It can be written as a sum of positive squares in 4 ways, for example, as 15801495616 + 182669050404 = 125704^2 + 427398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4877829 + ... + 4918348.

It is an arithmetic number, because the mean of its divisors is an integer number (17383317861).

Almost surely, 2^198470546020 is an apocalyptic number.

198470546020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198470546020 is an abundant number, since it is smaller than the sum of its proper divisors (218729082644).

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

198470546020 is a wasteful number, since it uses less digits than its factorization.

198470546020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797199 (or 9797197 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 198470546020 in words is "one hundred ninety-eight billion, four hundred seventy million, five hundred forty-six thousand, twenty".