20262133 has 2 divisors, whose sum is σ = 20262134. Its totient is φ = 20262132.

The previous prime is 20262107. The next prime is 20262161. The reversal of 20262133 is 33126202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15944049 + 4318084 = 3993^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 20262133 - 2⁵ = 20262101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20262133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20262173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10131066 + 10131067.

It is an arithmetic number, because the mean of its divisors is an integer number (10131067).

Almost surely, 2^20262133 is an apocalyptic number.

It is an amenable number.

20262133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20262133 is an equidigital number, since it uses as much as digits as its factorization.

20262133 is an evil number, because the sum of its binary digits is even.

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

The square root of 20262133 is about 4501.3479092379. The cubic root of 20262133 is about 272.6225153998.

Adding to 20262133 its reverse (33126202), we get a palindrome (53388335).

The spelling of 20262133 in words is "twenty million, two hundred sixty-two thousand, one hundred thirty-three".