20411312504524 has 6 divisors (see below), whose sum is σ = 35719796882924. Its totient is φ = 10205656252260.

The previous prime is 20411312504501. The next prime is 20411312504563. The reversal of 20411312504524 is 42540521311402.

It is a self number, because there is not a number n which added to its sum of digits gives 20411312504524.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551414063062 + ... + 2551414063069.

Almost surely, 2^{20411312504524} is an apocalyptic number.

It is an amenable number.

20411312504524 is a deficient number, since it is larger than the sum of its proper divisors (15308484378400).

20411312504524 is a wasteful number, since it uses less digits than its factorization.

20411312504524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102828126135 (or 5102828126133 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 20411312504524 its reverse (42540521311402), we get a palindrome (62951833815926).

The spelling of 20411312504524 in words is "twenty trillion, four hundred eleven billion, three hundred twelve million, five hundred four thousand, five hundred twenty-four".