20183927284 has 12 divisors (see below), whose sum is σ = 35334343044. Its totient is φ = 10088400704.

The previous prime is 20183927279. The next prime is 20183927321. The reversal of 20183927284 is 48272938102.

It can be written as a sum of positive squares in 2 ways, for example, as 3134880100 + 17049047184 = 55990^2 + 130572^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877969 + ... + 900664.

It is an arithmetic number, because the mean of its divisors is an integer number (2944528587).

Almost surely, 2^20183927284 is an apocalyptic number.

It is an amenable number.

20183927284 is a deficient number, since it is larger than the sum of its proper divisors (15150415760).

20183927284 is a wasteful number, since it uses less digits than its factorization.

20183927284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781474 (or 1781472 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 20183927284 in words is "twenty billion, one hundred eighty-three million, nine hundred twenty-seven thousand, two hundred eighty-four".