20174339 has 2 divisors, whose sum is σ = 20174340. Its totient is φ = 20174338.

The previous prime is 20174317. The next prime is 20174369. The reversal of 20174339 is 93347102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20174339 - 2²⁰ = 19125763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20174369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10087169 + 10087170.

It is an arithmetic number, because the mean of its divisors is an integer number (10087170).

Almost surely, 2^20174339 is an apocalyptic number.

20174339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20174339 is an equidigital number, since it uses as much as digits as its factorization.

20174339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 20174339 is about 4491.5853548608. The cubic root of 20174339 is about 272.2281957194.

The spelling of 20174339 in words is "twenty million, one hundred seventy-four thousand, three hundred thirty-nine".