20560015011 has 8 divisors (see below), whose sum is σ = 27669553344. Its totient is φ = 13578576680.

The previous prime is 20560015009. The next prime is 20560015039. The reversal of 20560015011 is 11051006502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20560015011 - 2¹ = 20560015009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20560015051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32024625 + ... + 32025266.

It is an arithmetic number, because the mean of its divisors is an integer number (3458694168).

Almost surely, 2^20560015011 is an apocalyptic number.

20560015011 is a deficient number, since it is larger than the sum of its proper divisors (7109538333).

20560015011 is a wasteful number, since it uses less digits than its factorization.

20560015011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64050001.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 20560015011 in words is "twenty billion, five hundred sixty million, fifteen thousand, eleven".