20410865367016 has 8 divisors (see below), whose sum is σ = 38270372563170. Its totient is φ = 10205432683504.

The previous prime is 20410865367007. The next prime is 20410865367017. The reversal of 20410865367016 is 61076356801402.

It can be written as a sum of positive squares in only one way, i.e., 20202058408900 + 208806958116 = 4494670^2 + 456954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20410865367017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275679085431 + ... + 1275679085446.

Almost surely, 2^{20410865367016} is an apocalyptic number.

It is an amenable number.

20410865367016 is a deficient number, since it is larger than the sum of its proper divisors (17859507196154).

20410865367016 is a wasteful number, since it uses less digits than its factorization.

20410865367016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551358170883 (or 2551358170879 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 20410865367016 in words is "twenty trillion, four hundred ten billion, eight hundred sixty-five million, three hundred sixty-seven thousand, sixteen".