20410542240536 has 64 divisors (see below), whose sum is σ = 44292064896000. Its totient is φ = 8636345303040.

The previous prime is 20410542240511. The next prime is 20410542240551. The reversal of 20410542240536 is 63504224501402.

It is a self number, because there is not a number n which added to its sum of digits gives 20410542240536.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 162647576 + ... + 162773016.

It is an arithmetic number, because the mean of its divisors is an integer number (692063514000).

Almost surely, 2^{20410542240536} is an apocalyptic number.

It is an amenable number.

20410542240536 is an abundant number, since it is smaller than the sum of its proper divisors (23881522655464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20410542240536 is a wasteful number, since it uses less digits than its factorization.

20410542240536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162312 (or 162308 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 20410542240536 its reverse (63504224501402), we get a palindrome (83914766741938).

The spelling of 20410542240536 in words is "twenty trillion, four hundred ten billion, five hundred forty-two million, two hundred forty thousand, five hundred thirty-six".