200120220992 has 14 divisors (see below), whose sum is σ = 397113563658. Its totient is φ = 100060110464.

The previous prime is 200120220947. The next prime is 200120221061. The reversal of 200120220992 is 299022021002.

It can be written as a sum of positive squares in only one way, i.e., 197228362816 + 2891858176 = 444104^2 + 53776^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563439163 + ... + 1563439290.

It is an arithmetic number, because the mean of its divisors is an integer number (28365254547).

Almost surely, 2^200120220992 is an apocalyptic number.

It is an amenable number.

200120220992 is a deficient number, since it is larger than the sum of its proper divisors (196993342666).

200120220992 is an equidigital number, since it uses as much as digits as its factorization.

200120220992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126878465 (or 3126878455 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 200120220992 its reverse (299022021002), we get a palindrome (499142241994).

The spelling of 200120220992 in words is "two hundred billion, one hundred twenty million, two hundred twenty thousand, nine hundred ninety-two".