203020133122 has 8 divisors (see below), whose sum is σ = 308701846476. Its totient is φ = 100119517632.

The previous prime is 203020133101. The next prime is 203020133123. The reversal of 203020133122 is 221331020302.

It can be written as a sum of positive squares in 2 ways, for example, as 188799809121 + 14220324001 = 434511^2 + 119249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203020133122.

It is not an unprimeable number, because it can be changed into a prime (203020133123) 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 3 ways as a sum of consecutive naturals, for example, 695274283 + ... + 695274574.

Almost surely, 2^203020133122 is an apocalyptic number.

203020133122 is a deficient number, since it is larger than the sum of its proper divisors (105681713354).

203020133122 is a wasteful number, since it uses less digits than its factorization.

203020133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390548932.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203020133122 its reverse (221331020302), we get a palindrome (424351153424).

The spelling of 203020133122 in words is "two hundred three billion, twenty million, one hundred thirty-three thousand, one hundred twenty-two".