20243276 has 36 divisors (see below), whose sum is σ = 37917600. Its totient is φ = 9443616.

The previous prime is 20243269. The next prime is 20243287. The reversal of 20243276 is 67234202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256205 + ... + 256283.

Almost surely, 2^20243276 is an apocalyptic number.

It is an amenable number.

20243276 is a deficient number, since it is larger than the sum of its proper divisors (17674324).

20243276 is a wasteful number, since it uses less digits than its factorization.

20243276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20243276 is about 4499.2528268591. The cubic root of 20243276 is about 272.5379168965.

Adding to 20243276 its reverse (67234202), we get a palindrome (87477478).

The spelling of 20243276 in words is "twenty million, two hundred forty-three thousand, two hundred seventy-six".