20657848282 has 8 divisors (see below), whose sum is σ = 32809523796. Its totient is φ = 9721340352.

The previous prime is 20657848271. The next prime is 20657848297. The reversal of 20657848282 is 28284875602.

It can be written as a sum of positive squares in 2 ways, for example, as 20107523601 + 550324681 = 141801^2 + 23459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303791853 + ... + 303791920.

Almost surely, 2^20657848282 is an apocalyptic number.

20657848282 is a deficient number, since it is larger than the sum of its proper divisors (12151675514).

20657848282 is a wasteful number, since it uses less digits than its factorization.

20657848282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607583792.

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 20657848282 in words is "twenty billion, six hundred fifty-seven million, eight hundred forty-eight thousand, two hundred eighty-two".