200020553121 has 32 divisors (see below), whose sum is σ = 276427807488. Its totient is φ = 128588221440.

The previous prime is 200020553107. The next prime is 200020553141. The reversal of 200020553121 is 121355020002.

200020553121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200020553121 - 2⁹ = 200020552609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200020553141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2186125 + ... + 2275781.

It is an arithmetic number, because the mean of its divisors is an integer number (8638368984).

Almost surely, 2^200020553121 is an apocalyptic number.

It is an amenable number.

200020553121 is a deficient number, since it is larger than the sum of its proper divisors (76407254367).

200020553121 is a wasteful number, since it uses less digits than its factorization.

200020553121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89961.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 200020553121 its reverse (121355020002), we get a palindrome (321375573123).

The spelling of 200020553121 in words is "two hundred billion, twenty million, five hundred fifty-three thousand, one hundred twenty-one".