20700041 has 2 divisors, whose sum is σ = 20700042. Its totient is φ = 20700040.

The previous prime is 20700037. The next prime is 20700049. The reversal of 20700041 is 14000702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18524416 + 2175625 = 4304^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 20700041 - 2² = 20700037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20699989 and 20700025.

It is not a weakly prime, because it can be changed into another prime (20700049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10350020 + 10350021.

It is an arithmetic number, because the mean of its divisors is an integer number (10350021).

Almost surely, 2^20700041 is an apocalyptic number.

It is an amenable number.

20700041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20700041 is an equidigital number, since it uses as much as digits as its factorization.

20700041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 20700041 is about 4549.7297721953. The cubic root of 20700041 is about 274.5725193072.

Adding to 20700041 its reverse (14000702), we get a palindrome (34700743).

The spelling of 20700041 in words is "twenty million, seven hundred thousand, forty-one".