20051302205 has 32 divisors (see below), whose sum is σ = 29255852160. Its totient is φ = 13002577920.

The previous prime is 20051302157. The next prime is 20051302207. The reversal of 20051302205 is 50220315002.

It is not a de Polignac number, because 20051302205 - 2³⁴ = 2871433021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051302207) 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 31 ways as a sum of consecutive naturals, for example, 546584 + ... + 582113.

It is an arithmetic number, because the mean of its divisors is an integer number (914245380).

Almost surely, 2^20051302205 is an apocalyptic number.

It is an amenable number.

20051302205 is a deficient number, since it is larger than the sum of its proper divisors (9204549955).

20051302205 is a wasteful number, since it uses less digits than its factorization.

20051302205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128749.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 20051302205 its reverse (50220315002), we get a palindrome (70271617207).

The spelling of 20051302205 in words is "twenty billion, fifty-one million, three hundred two thousand, two hundred five".