20020199 has 2 divisors, whose sum is σ = 20020200. Its totient is φ = 20020198.

The previous prime is 20020171. The next prime is 20020207. The reversal of 20020199 is 99102002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020199 - 2¹² = 20016103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010099 + 10010100.

It is an arithmetic number, because the mean of its divisors is an integer number (10010100).

Almost surely, 2^20020199 is an apocalyptic number.

20020199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020199 is an equidigital number, since it uses as much as digits as its factorization.

20020199 is an evil number, because the sum of its binary digits is even.

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

The square root of 20020199 is about 4474.3937019444. The cubic root of 20020199 is about 271.5331117824.

The spelling of 20020199 in words is "twenty million, twenty thousand, one hundred ninety-nine".