20714597 has 2 divisors, whose sum is σ = 20714598. Its totient is φ = 20714596.

The previous prime is 20714593. The next prime is 20714599. The reversal of 20714597 is 79541702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12952801 + 7761796 = 3599^2 + 2786^2 .

It is a cyclic number.

It is not a de Polignac number, because 20714597 - 2² = 20714593 is a prime.

Together with 20714599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20714593) 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, 10357298 + 10357299.

It is an arithmetic number, because the mean of its divisors is an integer number (10357299).

Almost surely, 2^20714597 is an apocalyptic number.

It is an amenable number.

20714597 is a deficient number, since it is larger than the sum of its proper divisors (1).

20714597 is an equidigital number, since it uses as much as digits as its factorization.

20714597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 20714597 is about 4551.3291465241. The cubic root of 20714597 is about 274.6368628377.

The spelling of 20714597 in words is "twenty million, seven hundred fourteen thousand, five hundred ninety-seven".