20072199 has 8 divisors (see below), whose sum is σ = 30586240. Its totient is φ = 11469816.

The previous prime is 20072191. The next prime is 20072203. The reversal of 20072199 is 99127002.

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

It is not a de Polignac number, because 20072199 - 2³ = 20072191 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 (20072191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477889 + ... + 477930.

It is an arithmetic number, because the mean of its divisors is an integer number (3823280).

Almost surely, 2^20072199 is an apocalyptic number.

20072199 is a deficient number, since it is larger than the sum of its proper divisors (10514041).

20072199 is an equidigital number, since it uses as much as digits as its factorization.

20072199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955829.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 20072199 is about 4480.2007767510. The cubic root of 20072199 is about 271.7679998019.

The spelling of 20072199 in words is "twenty million, seventy-two thousand, one hundred ninety-nine".