200320122125 has 8 divisors (see below), whose sum is σ = 249999512568. Its totient is φ = 160256097600.

The previous prime is 200320122109. The next prime is 200320122127. The reversal of 200320122125 is 521221023002.

It can be written as a sum of positive squares in 4 ways, for example, as 120253156 + 200199868969 = 10966^2 + 447437^2 .

It is not a de Polignac number, because 200320122125 - 2⁴ = 200320122109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200320122097 and 200320122106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320122127) 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, 801280364 + ... + 801280613.

It is an arithmetic number, because the mean of its divisors is an integer number (31249939071).

Almost surely, 2^200320122125 is an apocalyptic number.

200320122125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200320122125 is a deficient number, since it is larger than the sum of its proper divisors (49679390443).

200320122125 is an equidigital number, since it uses as much as digits as its factorization.

200320122125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602560992 (or 1602560982 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 200320122125 its reverse (521221023002), we get a palindrome (721541145127).

The spelling of 200320122125 in words is "two hundred billion, three hundred twenty million, one hundred twenty-two thousand, one hundred twenty-five".