200120203231 has 16 divisors (see below), whose sum is σ = 218497041280. Its totient is φ = 182170218240.

The previous prime is 200120203219. The next prime is 200120203253. The reversal of 200120203231 is 132302021002.

It is a cyclic number.

It is not a de Polignac number, because 200120203231 - 2⁷ = 200120203103 is a prime.

It is a super-2 number, since 2×200120203231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120203531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11209210 + ... + 11227048.

It is an arithmetic number, because the mean of its divisors is an integer number (13656065080).

Almost surely, 2^200120203231 is an apocalyptic number.

200120203231 is a deficient number, since it is larger than the sum of its proper divisors (18376838049).

200120203231 is a wasteful number, since it uses less digits than its factorization.

200120203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29746.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200120203231 its reverse (132302021002), we get a palindrome (332422224233).

The spelling of 200120203231 in words is "two hundred billion, one hundred twenty million, two hundred three thousand, two hundred thirty-one".