20124241 has 4 divisors (see below), whose sum is σ = 20999232. Its totient is φ = 19249252.

The previous prime is 20124233. The next prime is 20124253. The reversal of 20124241 is 14242102.

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.

It is not a de Polignac number, because 20124241 - 2³ = 20124233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20124271) 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, 437461 + ... + 437506.

It is an arithmetic number, because the mean of its divisors is an integer number (5249808).

Almost surely, 2^20124241 is an apocalyptic number.

It is an amenable number.

20124241 is a deficient number, since it is larger than the sum of its proper divisors (874991).

20124241 is an equidigital number, since it uses as much as digits as its factorization.

20124241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874990.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20124241 is about 4486.0050156013. The cubic root of 20124241 is about 272.0026717226.

Adding to 20124241 its reverse (14242102), we get a palindrome (34366343).

It can be divided in two parts, 201 and 24241, that added together give a palindrome (24442).

The spelling of 20124241 in words is "twenty million, one hundred twenty-four thousand, two hundred forty-one".