20168703352 has 16 divisors (see below), whose sum is σ = 43218650160. Its totient is φ = 8643729984.

The previous prime is 20168703343. The next prime is 20168703371. The reversal of 20168703352 is 25330786102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 180077653 + ... + 180077764.

It is an arithmetic number, because the mean of its divisors is an integer number (2701165635).

Almost surely, 2^20168703352 is an apocalyptic number.

It is an amenable number.

20168703352 is an abundant number, since it is smaller than the sum of its proper divisors (23049946808).

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

20168703352 is a wasteful number, since it uses less digits than its factorization.

20168703352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360155430 (or 360155426 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 20168703352 in words is "twenty billion, one hundred sixty-eight million, seven hundred three thousand, three hundred fifty-two".