20565122014 has 16 divisors (see below), whose sum is σ = 31143626496. Its totient is φ = 10183960600.

The previous prime is 20565122009. The next prime is 20565122021. The reversal of 20565122014 is 41022156502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110249 + ... + 1128619.

It is an arithmetic number, because the mean of its divisors is an integer number (1946476656).

Almost surely, 2^20565122014 is an apocalyptic number.

20565122014 is a deficient number, since it is larger than the sum of its proper divisors (10578504482).

20565122014 is a wasteful number, since it uses less digits than its factorization.

20565122014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 20565122014 its reverse (41022156502), we get a palindrome (61587278516).

The spelling of 20565122014 in words is "twenty billion, five hundred sixty-five million, one hundred twenty-two thousand, fourteen".