20060806868 has 6 divisors (see below), whose sum is σ = 35106412026. Its totient is φ = 10030403432.

The previous prime is 20060806867. The next prime is 20060806873. The reversal of 20060806868 is 86860806002.

It can be written as a sum of positive squares in only one way, i.e., 20058490384 + 2316484 = 141628^2 + 1522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060806867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507600855 + ... + 2507600862.

It is an arithmetic number, because the mean of its divisors is an integer number (5851068671).

Almost surely, 2^20060806868 is an apocalyptic number.

It is an amenable number.

20060806868 is a deficient number, since it is larger than the sum of its proper divisors (15045605158).

20060806868 is a wasteful number, since it uses less digits than its factorization.

20060806868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015201721 (or 5015201719 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 20060806868 in words is "twenty billion, sixty million, eight hundred six thousand, eight hundred sixty-eight".