20144848 has 10 divisors (see below), whose sum is σ = 39030674. Its totient is φ = 10072416.

The previous prime is 20144837. The next prime is 20144857. The reversal of 20144848 is 84844102.

It can be written as a sum of positive squares in only one way, i.e., 20142144 + 2704 = 4488^2 + 52^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629511 + ... + 629542.

Almost surely, 2^20144848 is an apocalyptic number.

It is an amenable number.

20144848 is a deficient number, since it is larger than the sum of its proper divisors (18885826).

20144848 is a wasteful number, since it uses less digits than its factorization.

20144848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259061 (or 1259055 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 20144848 is about 4488.3012376622. The cubic root of 20144848 is about 272.0954826256.

The spelling of 20144848 in words is "twenty million, one hundred forty-four thousand, eight hundred forty-eight".