20466137315044 has 6 divisors (see below), whose sum is σ = 35815740301334. Its totient is φ = 10233068657520.

The previous prime is 20466137315023. The next prime is 20466137315051. The reversal of 20466137315044 is 44051373166402.

It can be written as a sum of positive squares in only one way, i.e., 17273483075044 + 3192654240000 = 4156138^2 + 1786800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20466137314985 and 20466137315003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2558267164377 + ... + 2558267164384.

Almost surely, 2^{20466137315044} is an apocalyptic number.

It is an amenable number.

20466137315044 is a deficient number, since it is larger than the sum of its proper divisors (15349602986290).

20466137315044 is a wasteful number, since it uses less digits than its factorization.

20466137315044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116534328765 (or 5116534328763 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 20466137315044 in words is "twenty trillion, four hundred sixty-six billion, one hundred thirty-seven million, three hundred fifteen thousand, forty-four".