20912041 has 2 divisors, whose sum is σ = 20912042. Its totient is φ = 20912040.

The previous prime is 20912029. The next prime is 20912053. The reversal of 20912041 is 14021902.

It is a balanced prime because it is at equal distance from previous prime (20912029) and next prime (20912053).

It can be written as a sum of positive squares in only one way, i.e., 17884441 + 3027600 = 4229^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 20912041 - 2¹⁹ = 20387753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20912071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10456020 + 10456021.

It is an arithmetic number, because the mean of its divisors is an integer number (10456021).

Almost surely, 2^20912041 is an apocalyptic number.

It is an amenable number.

20912041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20912041 is an equidigital number, since it uses as much as digits as its factorization.

20912041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20912041 is about 4572.9685107160. The cubic root of 20912041 is about 275.5066845984.

Adding to 20912041 its reverse (14021902), we get a palindrome (34933943).

The spelling of 20912041 in words is "twenty million, nine hundred twelve thousand, forty-one".