20846045668010 has 8 divisors (see below), whose sum is σ = 37522882202436. Its totient is φ = 8338418267200.

The previous prime is 20846045668001. The next prime is 20846045668039. The reversal of 20846045668010 is 1086654064802.

It is a Cunningham number, because it is equal to 4565747²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 20846045668009 + 1 = 4565747^2 + 1^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20846045668010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042302283391 + ... + 1042302283410.

Almost surely, 2^{20846045668010} is an apocalyptic number.

20846045668010 is a deficient number, since it is larger than the sum of its proper divisors (16676836534426).

20846045668010 is a wasteful number, since it uses less digits than its factorization.

20846045668010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084604566808.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 20846045668010 in words is "twenty trillion, eight hundred forty-six billion, forty-five million, six hundred sixty-eight thousand, ten".