20327634 has 12 divisors (see below), whose sum is σ = 44043246. Its totient is φ = 6775872.

The previous prime is 20327633. The next prime is 20327639. The reversal of 20327634 is 43672302.

20327634 is a `hidden beast` number, since 2 + 0 + 3 + 27 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20277009 + 50625 = 4503^2 + 225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20327598 and 20327607.

It is not an unprimeable number, because it can be changed into a prime (20327633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564639 + ... + 564674.

Almost surely, 2^20327634 is an apocalyptic number.

20327634 is an abundant number, since it is smaller than the sum of its proper divisors (23715612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20327634 is a wasteful number, since it uses less digits than its factorization.

20327634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129321 (or 1129318 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 20327634 is about 4508.6177482683. The cubic root of 20327634 is about 272.9159665684.

Adding to 20327634 its reverse (43672302), we get a palindrome (63999936).

The spelling of 20327634 in words is "twenty million, three hundred twenty-seven thousand, six hundred thirty-four".