20327385 has 16 divisors (see below), whose sum is σ = 35025984. Its totient is φ = 10007232.

The previous prime is 20327383. The next prime is 20327387. The reversal of 20327385 is 58372302.

It is an interprime number because it is at equal distance from previous prime (20327383) and next prime (20327387).

It is not a de Polignac number, because 20327385 - 2¹ = 20327383 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20327383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51927 + ... + 52316.

It is an arithmetic number, because the mean of its divisors is an integer number (2189124).

Almost surely, 2^20327385 is an apocalyptic number.

It is an amenable number.

20327385 is a deficient number, since it is larger than the sum of its proper divisors (14698599).

20327385 is a wasteful number, since it uses less digits than its factorization.

20327385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104264.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20327385 is about 4508.5901343990. The cubic root of 20327385 is about 272.9148522175.

Adding to 20327385 its reverse (58372302), we get a palindrome (78699687).

The spelling of 20327385 in words is "twenty million, three hundred twenty-seven thousand, three hundred eighty-five".