20542704115 has 16 divisors (see below), whose sum is σ = 25248807936. Its totient is φ = 16036524000.

The previous prime is 20542704073. The next prime is 20542704151. The reversal of 20542704115 is 51140724502.

It is not a de Polignac number, because 20542704115 - 2¹¹ = 20542702067 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 180510 + ... + 271420.

It is an arithmetic number, because the mean of its divisors is an integer number (1578050496).

Almost surely, 2^20542704115 is an apocalyptic number.

20542704115 is a deficient number, since it is larger than the sum of its proper divisors (4706103821).

20542704115 is a wasteful number, since it uses less digits than its factorization.

20542704115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92010.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 20542704115 in words is "twenty billion, five hundred forty-two million, seven hundred four thousand, one hundred fifteen".