20324312 has 8 divisors (see below), whose sum is σ = 38108100. Its totient is φ = 10162152.

The previous prime is 20324267. The next prime is 20324323. The reversal of 20324312 is 21342302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270262 + ... + 1270277.

Almost surely, 2^20324312 is an apocalyptic number.

It is an amenable number.

20324312 is a deficient number, since it is larger than the sum of its proper divisors (17783788).

20324312 is a wasteful number, since it uses less digits than its factorization.

20324312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540545 (or 2540541 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20324312 is about 4508.2493276215. The cubic root of 20324312 is about 272.9010988562.

Adding to 20324312 its reverse (21342302), we get a palindrome (41666614).

The spelling of 20324312 in words is "twenty million, three hundred twenty-four thousand, three hundred twelve".