202420133 has 2 divisors, whose sum is σ = 202420134. Its totient is φ = 202420132.

The previous prime is 202420123. The next prime is 202420147. The reversal of 202420133 is 331024202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196476289 + 5943844 = 14017^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 202420133 - 2¹² = 202416037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202420123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101210066 + 101210067.

It is an arithmetic number, because the mean of its divisors is an integer number (101210067).

Almost surely, 2^202420133 is an apocalyptic number.

It is an amenable number.

202420133 is a deficient number, since it is larger than the sum of its proper divisors (1).

202420133 is an equidigital number, since it uses as much as digits as its factorization.

202420133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 202420133 is about 14227.4429536723. The cubic root of 202420133 is about 587.1529338669.

Adding to 202420133 its reverse (331024202), we get a palindrome (533444335).

The spelling of 202420133 in words is "two hundred two million, four hundred twenty thousand, one hundred thirty-three".