20327357 has 2 divisors, whose sum is σ = 20327358. Its totient is φ = 20327356.

The previous prime is 20327353. The next prime is 20327369. The reversal of 20327357 is 75372302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19589476 + 737881 = 4426^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 20327357 - 2² = 20327353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20327353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163678 + 10163679.

It is an arithmetic number, because the mean of its divisors is an integer number (10163679).

Almost surely, 2^20327357 is an apocalyptic number.

It is an amenable number.

20327357 is a deficient number, since it is larger than the sum of its proper divisors (1).

20327357 is an equidigital number, since it uses as much as digits as its factorization.

20327357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 20327357 is about 4508.5870292144. The cubic root of 20327357 is about 272.9147269084.

Adding to 20327357 its reverse (75372302), we get a palindrome (95699659).

The spelling of 20327357 in words is "twenty million, three hundred twenty-seven thousand, three hundred fifty-seven".