20600505107 has 16 divisors (see below), whose sum is σ = 25377051840. Its totient is φ = 16284782592.

The previous prime is 20600505103. The next prime is 20600505143. The reversal of 20600505107 is 70150500602.

It is not a de Polignac number, because 20600505107 - 2² = 20600505103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20600505103) by changing a digit.

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, 2483 + ... + 202995.

It is an arithmetic number, because the mean of its divisors is an integer number (1586065740).

Almost surely, 2^20600505107 is an apocalyptic number.

20600505107 is a deficient number, since it is larger than the sum of its proper divisors (4776546733).

20600505107 is a wasteful number, since it uses less digits than its factorization.

20600505107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201662.

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 20600505107 in words is "twenty billion, six hundred million, five hundred five thousand, one hundred seven".