20061199 has 2 divisors, whose sum is σ = 20061200. Its totient is φ = 20061198.

The previous prime is 20061193. The next prime is 20061269. The reversal of 20061199 is 99116002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20061199 - 2³ = 20061191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20061191) 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 as a sum of consecutive naturals, namely, 10030599 + 10030600.

It is an arithmetic number, because the mean of its divisors is an integer number (10030600).

Almost surely, 2^20061199 is an apocalyptic number.

20061199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061199 is an equidigital number, since it uses as much as digits as its factorization.

20061199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 20061199 is about 4478.9729849598. The cubic root of 20061199 is about 271.7183458127.

The spelling of 20061199 in words is "twenty million, sixty-one thousand, one hundred ninety-nine".