20029199 has 2 divisors, whose sum is σ = 20029200. Its totient is φ = 20029198.

The previous prime is 20029189. The next prime is 20029241. The reversal of 20029199 is 99192002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20029199 - 2¹⁶ = 19963663 is a prime.

It is a Sophie Germain 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 (20029109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10014599 + 10014600.

It is an arithmetic number, because the mean of its divisors is an integer number (10014600).

Almost surely, 2^20029199 is an apocalyptic number.

20029199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20029199 is an equidigital number, since it uses as much as digits as its factorization.

20029199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 20029199 is about 4475.3993117933. The cubic root of 20029199 is about 271.5737945598.

The spelling of 20029199 in words is "twenty million, twenty-nine thousand, one hundred ninety-nine".