20024141 has 4 divisors (see below), whose sum is σ = 20565372. Its totient is φ = 19482912.

The previous prime is 20024131. The next prime is 20024143. The reversal of 20024141 is 14142002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11930116 + 8094025 = 3454^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 20024141 - 2⁶ = 20024077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024143) 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, 270560 + ... + 270633.

It is an arithmetic number, because the mean of its divisors is an integer number (5141343).

Almost surely, 2^20024141 is an apocalyptic number.

It is an amenable number.

20024141 is a deficient number, since it is larger than the sum of its proper divisors (541231).

20024141 is an equidigital number, since it uses as much as digits as its factorization.

20024141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541230.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20024141 is about 4474.8341868722. The cubic root of 20024141 is about 271.5509323392.

Adding to 20024141 its reverse (14142002), we get a palindrome (34166143).

The spelling of 20024141 in words is "twenty million, twenty-four thousand, one hundred forty-one".