20327670 has 48 divisors (see below), whose sum is σ = 57659472. Its totient is φ = 4927680.

The previous prime is 20327639. The next prime is 20327687. The reversal of 20327670 is 7672302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9277 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (1201239).

Almost surely, 2^20327670 is an apocalyptic number.

20327670 is an abundant number, since it is smaller than the sum of its proper divisors (37331802).

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

20327670 is a wasteful number, since it uses less digits than its factorization.

20327670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20557 (or 20554 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20327670 is about 4508.6217406210. The cubic root of 20327670 is about 272.9161276786.

Adding to 20327670 its reverse (7672302), we get a palindrome (27999972).

The spelling of 20327670 in words is "twenty million, three hundred twenty-seven thousand, six hundred seventy".