20142441 has 12 divisors (see below), whose sum is σ = 31739760. Its totient is φ = 12207480.

The previous prime is 20142427. The next prime is 20142481. The reversal of 20142441 is 14424102.

20142441 is a `hidden beast` number, since 201 + 424 + 41 = 666.

It is not a de Polignac number, because 20142441 - 2⁶ = 20142377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20142401) 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 11 ways as a sum of consecutive naturals, for example, 101631 + ... + 101828.

It is an arithmetic number, because the mean of its divisors is an integer number (2644980).

Almost surely, 2^20142441 is an apocalyptic number.

It is an amenable number.

20142441 is a deficient number, since it is larger than the sum of its proper divisors (11597319).

20142441 is a wasteful number, since it uses less digits than its factorization.

20142441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203476 (or 203473 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20142441 is about 4488.0330881133. The cubic root of 20142441 is about 272.0846451166.

Adding to 20142441 its reverse (14424102), we get a palindrome (34566543).

The spelling of 20142441 in words is "twenty million, one hundred forty-two thousand, four hundred forty-one".