20080537 has 2 divisors, whose sum is σ = 20080538. Its totient is φ = 20080536.

The previous prime is 20080531. The next prime is 20080573. The reversal of 20080537 is 73508002.

Together with next prime (20080573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19263321 + 817216 = 4389^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 20080537 - 2⁷ = 20080409 is a prime.

It is not a weakly prime, because it can be changed into another prime (20080531) 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, 10040268 + 10040269.

It is an arithmetic number, because the mean of its divisors is an integer number (10040269).

Almost surely, 2^20080537 is an apocalyptic number.

It is an amenable number.

20080537 is a deficient number, since it is larger than the sum of its proper divisors (1).

20080537 is an equidigital number, since it uses as much as digits as its factorization.

20080537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20080537 is about 4481.1312187884. The cubic root of 20080537 is about 271.8056254400.

Adding to 20080537 its reverse (73508002), we get a palindrome (93588539).

The spelling of 20080537 in words is "twenty million, eighty thousand, five hundred thirty-seven".