199052920 has 32 divisors (see below), whose sum is σ = 488585520. Its totient is φ = 72382720.

The previous prime is 199052869. The next prime is 199052923. The reversal of 199052920 is 29250991.

It is a self number, because there is not a number n which added to its sum of digits gives 199052920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199052923) by changing a digit.

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, 225757 + ... + 226636.

Almost surely, 2^199052920 is an apocalyptic number.

199052920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199052920 is an abundant number, since it is smaller than the sum of its proper divisors (289532600).

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

199052920 is a wasteful number, since it uses less digits than its factorization.

199052920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452415 (or 452411 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 199052920 is about 14108.6115546499. The cubic root of 199052920 is about 583.8789938193.

The spelling of 199052920 in words is "one hundred ninety-nine million, fifty-two thousand, nine hundred twenty".