20271364 has 12 divisors (see below), whose sum is σ = 35807184. Its totient is φ = 10040744.

The previous prime is 20271353. The next prime is 20271367. The reversal of 20271364 is 46317202.

It is not an unprimeable number, because it can be changed into a prime (20271367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23254 + ... + 24109.

It is an arithmetic number, because the mean of its divisors is an integer number (2983932).

Almost surely, 2^20271364 is an apocalyptic number.

It is an amenable number.

20271364 is a deficient number, since it is larger than the sum of its proper divisors (15535820).

20271364 is a wasteful number, since it uses less digits than its factorization.

20271364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47474 (or 47472 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20271364 is about 4502.3731520166. The cubic root of 20271364 is about 272.6639094684.

Adding to 20271364 its reverse (46317202), we get a palindrome (66588566).

The spelling of 20271364 in words is "twenty million, two hundred seventy-one thousand, three hundred sixty-four".