20312324 has 6 divisors (see below), whose sum is σ = 35546574. Its totient is φ = 10156160.

The previous prime is 20312309. The next prime is 20312351. The reversal of 20312324 is 42321302.

It can be written as a sum of positive squares in only one way, i.e., 17909824 + 2402500 = 4232^2 + 1550^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539037 + ... + 2539044.

It is an arithmetic number, because the mean of its divisors is an integer number (5924429).

Almost surely, 2^20312324 is an apocalyptic number.

It is an amenable number.

20312324 is a deficient number, since it is larger than the sum of its proper divisors (15234250).

20312324 is a wasteful number, since it uses less digits than its factorization.

20312324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078085 (or 5078083 counting only the distinct ones).

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

The square root of 20312324 is about 4506.9195688408. The cubic root of 20312324 is about 272.8474327214.

Adding to 20312324 its reverse (42321302), we get a palindrome (62633626).

The spelling of 20312324 in words is "twenty million, three hundred twelve thousand, three hundred twenty-four".