99920199 has 8 divisors (see below), whose sum is σ = 133390960. Its totient is φ = 66531456.

The previous prime is 99920189. The next prime is 99920207. The reversal of 99920199 is 99102999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99920199 - 2⁷ = 99920071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99920159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17602 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (16673870).

Almost surely, 2^99920199 is an apocalyptic number.

99920199 is a deficient number, since it is larger than the sum of its proper divisors (33470761).

99920199 is a wasteful number, since it uses less digits than its factorization.

99920199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41009.

The product of its (nonzero) digits is 118098, while the sum is 48.

The square root of 99920199 is about 9996.0091536573. The cubic root of 99920199 is about 464.0353826937.

The spelling of 99920199 in words is "ninety-nine million, nine hundred twenty thousand, one hundred ninety-nine".