20027741 has 2 divisors, whose sum is σ = 20027742. Its totient is φ = 20027740.

The previous prime is 20027737. The next prime is 20027783. The reversal of 20027741 is 14772002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20025625 + 2116 = 4475^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 20027741 - 2² = 20027737 is a prime.

It is a super-2 number, since 2×20027741² = 802220819126162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20027701) 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, 10013870 + 10013871.

It is an arithmetic number, because the mean of its divisors is an integer number (10013871).

Almost surely, 2^20027741 is an apocalyptic number.

It is an amenable number.

20027741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20027741 is an equidigital number, since it uses as much as digits as its factorization.

20027741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 20027741 is about 4475.2364183359. The cubic root of 20027741 is about 271.5672047772.

Adding to 20027741 its reverse (14772002), we get a palindrome (34799743).

The spelling of 20027741 in words is "twenty million, twenty-seven thousand, seven hundred forty-one".