202120131233 has 4 divisors (see below), whose sum is σ = 204888900228. Its totient is φ = 199351362240.

The previous prime is 202120131127. The next prime is 202120131289. The reversal of 202120131233 is 332131021202.

202120131233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127600412944 + 74519718289 = 357212^2 + 272983^2 .

It is a cyclic number.

It is not a de Polignac number, because 202120131233 - 2²⁸ = 201851695777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120101233) 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 3 ways as a sum of consecutive naturals, for example, 1384384388 + ... + 1384384533.

It is an arithmetic number, because the mean of its divisors is an integer number (51222225057).

Almost surely, 2^202120131233 is an apocalyptic number.

It is an amenable number.

202120131233 is a deficient number, since it is larger than the sum of its proper divisors (2768768995).

202120131233 is an equidigital number, since it uses as much as digits as its factorization.

202120131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768768994.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202120131233 its reverse (332131021202), we get a palindrome (534251152435).

The spelling of 202120131233 in words is "two hundred two billion, one hundred twenty million, one hundred thirty-one thousand, two hundred thirty-three".