20597041 has 2 divisors, whose sum is σ = 20597042. Its totient is φ = 20597040.

The previous prime is 20597039. The next prime is 20597069. The reversal of 20597041 is 14079502.

It is a happy number.

It is an a-pointer prime, because the next prime (20597069) can be obtained adding 20597041 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 5387041 = 3900^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 20597041 - 2¹ = 20597039 is a prime.

Together with 20597039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20597011) 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, 10298520 + 10298521.

It is an arithmetic number, because the mean of its divisors is an integer number (10298521).

Almost surely, 2^20597041 is an apocalyptic number.

It is an amenable number.

20597041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20597041 is an equidigital number, since it uses as much as digits as its factorization.

20597041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 20597041 is about 4538.3963026602. The cubic root of 20597041 is about 274.1163526304.

The spelling of 20597041 in words is "twenty million, five hundred ninety-seven thousand, forty-one".