20208544286 has 32 divisors (see below), whose sum is σ = 36711360000. Its totient is φ = 8149889952.

The previous prime is 20208544273. The next prime is 20208544309. The reversal of 20208544286 is 68244580202.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 215306 + ... + 294573.

It is an arithmetic number, because the mean of its divisors is an integer number (1147230000).

Almost surely, 2^20208544286 is an apocalyptic number.

20208544286 is a deficient number, since it is larger than the sum of its proper divisors (16502815714).

20208544286 is a wasteful number, since it uses less digits than its factorization.

20208544286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510056.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 20208544286 in words is "twenty billion, two hundred eight million, five hundred forty-four thousand, two hundred eighty-six".