20327560 has 32 divisors (see below), whose sum is σ = 49896000. Its totient is φ = 7391680.

The previous prime is 20327509. The next prime is 20327603. The reversal of 20327560 is 6572302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22660 + ... + 23539.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 2^20327560 is an apocalyptic number.

20327560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20327560 is an abundant number, since it is smaller than the sum of its proper divisors (29568440).

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

20327560 is a wasteful number, since it uses less digits than its factorization.

20327560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46221 (or 46217 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 20327560 is about 4508.6095417545. The cubic root of 20327560 is about 272.9156353968.

Adding to 20327560 its reverse (6572302), we get a palindrome (26899862).

The spelling of 20327560 in words is "twenty million, three hundred twenty-seven thousand, five hundred sixty".