20108424912 has 80 divisors (see below), whose sum is σ = 54462847488. Its totient is φ = 6380922240.

The previous prime is 20108424887. The next prime is 20108424929. The reversal of 20108424912 is 21942480102.

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, 189783 + ... + 276105.

Almost surely, 2^20108424912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20108424912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27231423744).

20108424912 is an abundant number, since it is smaller than the sum of its proper divisors (34354422576).

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

20108424912 is a wasteful number, since it uses less digits than its factorization.

20108424912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86568 (or 86562 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 20108424912 in words is "twenty billion, one hundred eight million, four hundred twenty-four thousand, nine hundred twelve".