20208753108 has 36 divisors (see below), whose sum is σ = 51087557248. Its totient is φ = 6735681360.

The previous prime is 20208753083. The next prime is 20208753167. The reversal of 20208753108 is 80135780202.

20208753108 is a `hidden beast` number, since 20 + 20 + 87 + 531 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789885 + ... + 815067.

Almost surely, 2^20208753108 is an apocalyptic number.

It is an amenable number.

20208753108 is an abundant number, since it is smaller than the sum of its proper divisors (30878804140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20208753108 is a wasteful number, since it uses less digits than its factorization.

20208753108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47484 (or 47479 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 20208753108 in words is "twenty billion, two hundred eight million, seven hundred fifty-three thousand, one hundred eight".