202120432133 has 2 divisors, whose sum is σ = 202120432134. Its totient is φ = 202120432132.

The previous prime is 202120432103. The next prime is 202120432141. The reversal of 202120432133 is 331234021202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195844306849 + 6276125284 = 442543^2 + 79222^2 .

It is a cyclic number.

It is not a de Polignac number, because 202120432133 - 2¹⁰ = 202120431109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202120432099 and 202120432108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202120432103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060216066 + 101060216067.

It is an arithmetic number, because the mean of its divisors is an integer number (101060216067).

Almost surely, 2^202120432133 is an apocalyptic number.

It is an amenable number.

202120432133 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120432133 is an equidigital number, since it uses as much as digits as its factorization.

202120432133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202120432133 its reverse (331234021202), we get a palindrome (533354453335).

The spelling of 202120432133 in words is "two hundred two billion, one hundred twenty million, four hundred thirty-two thousand, one hundred thirty-three".