20343296 has 20 divisors (see below), whose sum is σ = 40647882. Its totient is φ = 10171392.

The previous prime is 20343287. The next prime is 20343329. The reversal of 20343296 is 69234302.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 7840000 = 3536^2 + 2800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19355 + ... + 20378.

Almost surely, 2^20343296 is an apocalyptic number.

It is an amenable number.

20343296 is a deficient number, since it is larger than the sum of its proper divisors (20304586).

20343296 is an frugal number, since it uses more digits than its factorization.

20343296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39751 (or 39735 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20343296 is about 4510.3543098076. The cubic root of 20343296 is about 272.9860405140.

Adding to 20343296 its reverse (69234302), we get a palindrome (89577598).

The spelling of 20343296 in words is "twenty million, three hundred forty-three thousand, two hundred ninety-six".