20002199 has 8 divisors (see below), whose sum is σ = 23648160. Its totient is φ = 16553376.

The previous prime is 20002189. The next prime is 20002201. The reversal of 20002199 is 99120002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20002199 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 (20002159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49064 + ... + 49469.

It is an arithmetic number, because the mean of its divisors is an integer number (2956020).

Almost surely, 2^20002199 is an apocalyptic number.

20002199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20002199 is a deficient number, since it is larger than the sum of its proper divisors (3645961).

20002199 is an equidigital number, since it uses as much as digits as its factorization.

20002199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98569.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 20002199 is about 4472.3818039161. The cubic root of 20002199 is about 271.4517096355.

The spelling of 20002199 in words is "twenty million, two thousand, one hundred ninety-nine".