20068871200 has 108 divisors (see below), whose sum is σ = 56992121802. Its totient is φ = 6880742400.

The previous prime is 20068871159. The next prime is 20068871209. The reversal of 20068871200 is 217886002.

It can be written as a sum of positive squares in 3 ways, for example, as 10393394704 + 9675476496 = 101948^2 + 98364^2 .

It is not an unprimeable number, because it can be changed into a prime (20068871209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 216781 + ... + 295180.

Almost surely, 2^20068871200 is an apocalyptic number.

20068871200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20068871200 is an abundant number, since it is smaller than the sum of its proper divisors (36923250602).

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

20068871200 is a wasteful number, since it uses less digits than its factorization.

20068871200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511995 (or 511975 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 20068871200 in words is "twenty billion, sixty-eight million, eight hundred seventy-one thousand, two hundred".