20327474 has 8 divisors (see below), whose sum is σ = 30696300. Its totient is φ = 10095376.

The previous prime is 20327471. The next prime is 20327477. The reversal of 20327474 is 47472302.

It is an interprime number because it is at equal distance from previous prime (20327471) and next prime (20327477).

It can be written as a sum of positive squares in 2 ways, for example, as 18619225 + 1708249 = 4315^2 + 1307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20327471) 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 in 3 ways as a sum of consecutive naturals, for example, 33809 + ... + 34404.

Almost surely, 2^20327474 is an apocalyptic number.

20327474 is a deficient number, since it is larger than the sum of its proper divisors (10368826).

20327474 is a wasteful number, since it uses less digits than its factorization.

20327474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68364.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 20327474 is about 4508.6000044360. The cubic root of 20327474 is about 272.9152505207.

Adding to 20327474 its reverse (47472302), we get a palindrome (67799776).

The spelling of 20327474 in words is "twenty million, three hundred twenty-seven thousand, four hundred seventy-four".