20243607 has 16 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 12740544.

The previous prime is 20243603. The next prime is 20243621. The reversal of 20243607 is 70634202.

It is not a de Polignac number, because 20243607 - 2² = 20243603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24619 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^20243607 is an apocalyptic number.

20243607 is a deficient number, since it is larger than the sum of its proper divisors (8268393).

20243607 is a wasteful number, since it uses less digits than its factorization.

20243607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20243607 is about 4499.2896105941. The cubic root of 20243607 is about 272.5394023207.

Adding to 20243607 its reverse (70634202), we get a palindrome (90877809).

The spelling of 20243607 in words is "twenty million, two hundred forty-three thousand, six hundred seven".