20244107 has 4 divisors (see below), whose sum is σ = 21801360. Its totient is φ = 18686856.

The previous prime is 20244089. The next prime is 20244109. The reversal of 20244107 is 70144202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20244107 - 2⁶ = 20244043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244109) 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 3 ways as a sum of consecutive naturals, for example, 778607 + ... + 778632.

It is an arithmetic number, because the mean of its divisors is an integer number (5450340).

Almost surely, 2^20244107 is an apocalyptic number.

20244107 is a deficient number, since it is larger than the sum of its proper divisors (1557253).

20244107 is a wasteful number, since it uses less digits than its factorization.

20244107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557252.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 20244107 is about 4499.3451745782. The cubic root of 20244107 is about 272.5416461333.

Adding to 20244107 its reverse (70144202), we get a palindrome (90388309).

The spelling of 20244107 in words is "twenty million, two hundred forty-four thousand, one hundred seven".