20588741 has 2 divisors, whose sum is σ = 20588742. Its totient is φ = 20588740.

The previous prime is 20588719. The next prime is 20588767. The reversal of 20588741 is 14788502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17181025 + 3407716 = 4145^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 20588741 - 2⁶ = 20588677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20588791) 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, 10294370 + 10294371.

It is an arithmetic number, because the mean of its divisors is an integer number (10294371).

Almost surely, 2^20588741 is an apocalyptic number.

It is an amenable number.

20588741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20588741 is an equidigital number, since it uses as much as digits as its factorization.

20588741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 20588741 is about 4537.4817905971. The cubic root of 20588741 is about 274.0795274152.

The spelling of 20588741 in words is "twenty million, five hundred eighty-eight thousand, seven hundred forty-one".