20100041 has 4 divisors (see below), whose sum is σ = 21646212. Its totient is φ = 18553872.

The previous prime is 20100023. The next prime is 20100053. The reversal of 20100041 is 14000102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9634816 + 10465225 = 3104^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100041 - 2⁶ = 20099977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100541) 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 in 3 ways as a sum of consecutive naturals, for example, 773066 + ... + 773091.

It is an arithmetic number, because the mean of its divisors is an integer number (5411553).

Almost surely, 2^20100041 is an apocalyptic number.

It is an amenable number.

20100041 is a deficient number, since it is larger than the sum of its proper divisors (1546171).

20100041 is a wasteful number, since it uses less digits than its factorization.

20100041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546170.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20100041 is about 4483.3069268119. The cubic root of 20100041 is about 271.8935975476.

Adding to 20100041 its reverse (14000102), we get a palindrome (34100143).

The spelling of 20100041 in words is "twenty million, one hundred thousand, forty-one".