20000215042504 has 16 divisors (see below), whose sum is σ = 37530916163100. Its totient is φ = 9991970732352.

The previous prime is 20000215042433. The next prime is 20000215042531. The reversal of 20000215042504 is 40524051200002.

It can be written as a sum of positive squares in 2 ways, for example, as 16149162034404 + 3851053008100 = 4018602^2 + 1962410^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1017088167 + ... + 1017107830.

Almost surely, 2^{20000215042504} is an apocalyptic number.

It is an amenable number.

20000215042504 is a deficient number, since it is larger than the sum of its proper divisors (17530701120596).

20000215042504 is a wasteful number, since it uses less digits than its factorization.

20000215042504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034197232 (or 2034197228 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 20000215042504 its reverse (40524051200002), we get a palindrome (60524266242506).

The spelling of 20000215042504 in words is "twenty trillion, two hundred fifteen million, forty-two thousand, five hundred four".