20027441 has 4 divisors (see below), whose sum is σ = 22888512. Its totient is φ = 17166372.

The previous prime is 20027437. The next prime is 20027443. The reversal of 20027441 is 14472002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14472002 = 2 ⋅7236001.

It is a cyclic number.

It is not a de Polignac number, because 20027441 - 2² = 20027437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20027443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430525 + ... + 1430538.

It is an arithmetic number, because the mean of its divisors is an integer number (5722128).

Almost surely, 2^20027441 is an apocalyptic number.

It is an amenable number.

20027441 is a deficient number, since it is larger than the sum of its proper divisors (2861071).

20027441 is an equidigital number, since it uses as much as digits as its factorization.

20027441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861070.

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

The square root of 20027441 is about 4475.2029004281. The cubic root of 20027441 is about 271.5658488152.

Adding to 20027441 its reverse (14472002), we get a palindrome (34499443).

The spelling of 20027441 in words is "twenty million, twenty-seven thousand, four hundred forty-one".