20167349 has 2 divisors, whose sum is σ = 20167350. Its totient is φ = 20167348.

The previous prime is 20167333. The next prime is 20167363. The reversal of 20167349 is 94376102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 302500 = 4457^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 20167349 - 2⁴ = 20167333 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 (20167369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10083674 + 10083675.

It is an arithmetic number, because the mean of its divisors is an integer number (10083675).

Almost surely, 2^20167349 is an apocalyptic number.

It is an amenable number.

20167349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20167349 is an equidigital number, since it uses as much as digits as its factorization.

20167349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20167349 is about 4490.8071657554. The cubic root of 20167349 is about 272.1967515682.

The spelling of 20167349 in words is "twenty million, one hundred sixty-seven thousand, three hundred forty-nine".