20050564215 has 16 divisors (see below), whose sum is σ = 34997348736. Its totient is φ = 9721485600.

The previous prime is 20050564129. The next prime is 20050564267. The reversal of 20050564215 is 51246505002.

It is not a de Polignac number, because 20050564215 - 2⁷ = 20050564087 is a prime.

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, 60759121 + ... + 60759450.

It is an arithmetic number, because the mean of its divisors is an integer number (2187334296).

Almost surely, 2^20050564215 is an apocalyptic number.

20050564215 is a deficient number, since it is larger than the sum of its proper divisors (14946784521).

20050564215 is a wasteful number, since it uses less digits than its factorization.

20050564215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121518590.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20050564215 in words is "twenty billion, fifty million, five hundred sixty-four thousand, two hundred fifteen".