199011844024220 has 48 divisors (see below), whose sum is σ = 418425037363200. Its totient is φ = 79509474158400.

The previous prime is 199011844024051. The next prime is 199011844024261. The reversal of 199011844024220 is 22420448110991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578433245 + ... + 578777195.

It is an arithmetic number, because the mean of its divisors is an integer number (8717188278400).

Almost surely, 2^{199011844024220} is an apocalyptic number.

199011844024220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199011844024220 is an abundant number, since it is smaller than the sum of its proper divisors (219413193338980).

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

199011844024220 is a wasteful number, since it uses less digits than its factorization.

199011844024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378498 (or 378496 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 199011844024220 in words is "one hundred ninety-nine trillion, eleven billion, eight hundred forty-four million, twenty-four thousand, two hundred twenty".