20235077 has 2 divisors, whose sum is σ = 20235078. Its totient is φ = 20235076.

The previous prime is 20235043. The next prime is 20235097. The reversal of 20235077 is 77053202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17297281 + 2937796 = 4159^2 + 1714^2 .

It is a cyclic number.

It is not a de Polignac number, because 20235077 - 2⁶ = 20235013 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 (20235097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117538 + 10117539.

It is an arithmetic number, because the mean of its divisors is an integer number (10117539).

Almost surely, 2^20235077 is an apocalyptic number.

It is an amenable number.

20235077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20235077 is an equidigital number, since it uses as much as digits as its factorization.

20235077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 20235077 is about 4498.3415832949. The cubic root of 20235077 is about 272.5011171853.

Adding to 20235077 its reverse (77053202), we get a palindrome (97288279).

The spelling of 20235077 in words is "twenty million, two hundred thirty-five thousand, seventy-seven".