20236061 has 2 divisors, whose sum is σ = 20236062. Its totient is φ = 20236060.

The previous prime is 20236049. The next prime is 20236081. The reversal of 20236061 is 16063202.

It is an a-pointer prime, because the next prime (20236081) can be obtained adding 20236061 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 9803161 = 3230^2 + 3131^2 .

It is a cyclic number.

It is not a de Polignac number, because 20236061 - 2¹⁴ = 20219677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20236031) 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, 10118030 + 10118031.

It is an arithmetic number, because the mean of its divisors is an integer number (10118031).

Almost surely, 2^20236061 is an apocalyptic number.

It is an amenable number.

20236061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20236061 is an equidigital number, since it uses as much as digits as its factorization.

20236061 is an odious number, because the sum of its binary digits is odd.

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

The square root of 20236061 is about 4498.4509556068. The cubic root of 20236061 is about 272.5055342141.

Adding to 20236061 its reverse (16063202), we get a palindrome (36299263).

It can be divided in two parts, 202 and 36061, that added together give a palindrome (36263).

The spelling of 20236061 in words is "twenty million, two hundred thirty-six thousand, sixty-one".