20198327 has 2 divisors, whose sum is σ = 20198328. Its totient is φ = 20198326.

The previous prime is 20198287. The next prime is 20198341. The reversal of 20198327 is 72389102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20198327 - 2¹⁸ = 19936183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20198293 and 20198302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20198357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10099163 + 10099164.

It is an arithmetic number, because the mean of its divisors is an integer number (10099164).

Almost surely, 2^20198327 is an apocalyptic number.

20198327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20198327 is an equidigital number, since it uses as much as digits as its factorization.

20198327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 20198327 is about 4494.2548881878. The cubic root of 20198327 is about 272.3360492894.

The spelling of 20198327 in words is "twenty million, one hundred ninety-eight thousand, three hundred twenty-seven".