20848628067345 has 96 divisors (see below), whose sum is σ = 39145536323712. Its totient is φ = 10203958388736.

The previous prime is 20848628067341. The next prime is 20848628067391. The reversal of 20848628067345 is 54376082684802.

20848628067345 is a `hidden beast` number, since 2 + 0 + 8 + 4 + 8 + 6 + 280 + 6 + 7 + 345 = 666.

It is not a de Polignac number, because 20848628067345 - 2² = 20848628067341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20848628067341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68256934 + ... + 68561696.

It is an arithmetic number, because the mean of its divisors is an integer number (407766003372).

Almost surely, 2^{20848628067345} is an apocalyptic number.

It is an amenable number.

20848628067345 is a deficient number, since it is larger than the sum of its proper divisors (18296908256367).

20848628067345 is a wasteful number, since it uses less digits than its factorization.

20848628067345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305471 (or 305468 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 63.

The spelling of 20848628067345 in words is "twenty trillion, eight hundred forty-eight billion, six hundred twenty-eight million, sixty-seven thousand, three hundred forty-five".