200010001992 has 32 divisors (see below), whose sum is σ = 500542152000. Its totient is φ = 66601047744.

The previous prime is 200010001991. The next prime is 200010002039. The reversal of 200010001992 is 299100010002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (200010001991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4285867 + ... + 4332282.

It is an arithmetic number, because the mean of its divisors is an integer number (15641942250).

Almost surely, 2^200010001992 is an apocalyptic number.

It is an amenable number.

200010001992 is an abundant number, since it is smaller than the sum of its proper divisors (300532150008).

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

200010001992 is a wasteful number, since it uses less digits than its factorization.

200010001992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619125 (or 8619121 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 200010001992 its reverse (299100010002), we get a palindrome (499110011994).

The spelling of 200010001992 in words is "two hundred billion, ten million, one thousand, nine hundred ninety-two".