20441427 has 8 divisors (see below), whose sum is σ = 27992016. Its totient is φ = 13259232.

The previous prime is 20441419. The next prime is 20441437. The reversal of 20441427 is 72414402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20441427 - 2³ = 20441419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20441397 and 20441406.

It is not an unprimeable number, because it can be changed into a prime (20441437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91968 + ... + 92189.

It is an arithmetic number, because the mean of its divisors is an integer number (3499002).

Almost surely, 2^20441427 is an apocalyptic number.

20441427 is a deficient number, since it is larger than the sum of its proper divisors (7550589).

20441427 is a wasteful number, since it uses less digits than its factorization.

20441427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184197.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 20441427 is about 4521.2196363371. The cubic root of 20441427 is about 273.4242755422.

Adding to 20441427 its reverse (72414402), we get a palindrome (92855829).

The spelling of 20441427 in words is "twenty million, four hundred forty-one thousand, four hundred twenty-seven".