198050266220 has 96 divisors (see below), whose sum is σ = 459718737408. Its totient is φ = 71287073792.

The previous prime is 198050266213. The next prime is 198050266223. The reversal of 198050266220 is 22662050891.

It is not an unprimeable number, because it can be changed into a prime (198050266223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25043507 + ... + 25051413.

It is an arithmetic number, because the mean of its divisors is an integer number (4788736848).

Almost surely, 2^198050266220 is an apocalyptic number.

198050266220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198050266220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229859368704).

198050266220 is an abundant number, since it is smaller than the sum of its proper divisors (261668471188).

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

198050266220 is a wasteful number, since it uses less digits than its factorization.

198050266220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159 (or 11157 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 198050266220 in words is "one hundred ninety-eight billion, fifty million, two hundred sixty-six thousand, two hundred twenty".