20848421570 has 8 divisors (see below), whose sum is σ = 37527158844. Its totient is φ = 8339368624.

The previous prime is 20848421533. The next prime is 20848421603. The reversal of 20848421570 is 7512484802.

It can be written as a sum of positive squares in 2 ways, for example, as 19440446041 + 1407975529 = 139429^2 + 37523^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042421069 + ... + 1042421088.

Almost surely, 2^20848421570 is an apocalyptic number.

20848421570 is a deficient number, since it is larger than the sum of its proper divisors (16678737274).

20848421570 is a wasteful number, since it uses less digits than its factorization.

20848421570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084842164.

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 20848421570 in words is "twenty billion, eight hundred forty-eight million, four hundred twenty-one thousand, five hundred seventy".