20003671712404 has 12 divisors (see below), whose sum is σ = 35010947760628. Its totient is φ = 10000543780800.

The previous prime is 20003671712377. The next prime is 20003671712417. The reversal of 20003671712404 is 40421717630002.

It can be written as a sum of positive squares in 2 ways, for example, as 12519354592900 + 7484317119504 = 3538270^2 + 2735748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322984017 + ... + 323045944.

Almost surely, 2^{20003671712404} is an apocalyptic number.

It is an amenable number.

20003671712404 is a deficient number, since it is larger than the sum of its proper divisors (15007276048224).

20003671712404 is a wasteful number, since it uses less digits than its factorization.

20003671712404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646037706 (or 646037704 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20003671712404 in words is "twenty trillion, three billion, six hundred seventy-one million, seven hundred twelve thousand, four hundred four".