20327470 has 16 divisors (see below), whose sum is σ = 36640800. Its totient is φ = 8119584.

The previous prime is 20327459. The next prime is 20327471. The reversal of 20327470 is 7472302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20327471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13264 + ... + 14716.

It is an arithmetic number, because the mean of its divisors is an integer number (2290050).

Almost surely, 2^20327470 is an apocalyptic number.

20327470 is a deficient number, since it is larger than the sum of its proper divisors (16313330).

20327470 is a wasteful number, since it uses less digits than its factorization.

20327470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20327470 is about 4508.5995608393. The cubic root of 20327470 is about 272.9152326194.

Adding to 20327470 its reverse (7472302), we get a palindrome (27799772).

The spelling of 20327470 in words is "twenty million, three hundred twenty-seven thousand, four hundred seventy".