20003565471112 has 16 divisors (see below), whose sum is σ = 37510880301900. Its totient is φ = 10000664057280.

The previous prime is 20003565471101. The next prime is 20003565471173. The reversal of 20003565471112 is 21117456530002.

It can be written as a sum of positive squares in 2 ways, for example, as 17521976477476 + 2481588993636 = 4185926^2 + 1575306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139758787 + ... + 139901842.

Almost surely, 2^{20003565471112} is an apocalyptic number.

It is an amenable number.

20003565471112 is a deficient number, since it is larger than the sum of its proper divisors (17507314830788).

20003565471112 is a wasteful number, since it uses less digits than its factorization.

20003565471112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279669576 (or 279669572 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 20003565471112 in words is "twenty trillion, three billion, five hundred sixty-five million, four hundred seventy-one thousand, one hundred twelve".