20541344524 has 12 divisors (see below), whose sum is σ = 37839319000. Its totient is φ = 9730110528.

The previous prime is 20541344381. The next prime is 20541344531. The reversal of 20541344524 is 42544314502.

It is a self number, because there is not a number n which added to its sum of digits gives 20541344524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135140349 + ... + 135140500.

Almost surely, 2^20541344524 is an apocalyptic number.

It is an amenable number.

20541344524 is a deficient number, since it is larger than the sum of its proper divisors (17297974476).

20541344524 is a wasteful number, since it uses less digits than its factorization.

20541344524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270280872 (or 270280870 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 20541344524 in words is "twenty billion, five hundred forty-one million, three hundred forty-four thousand, five hundred twenty-four".