20123041 has 4 divisors (see below), whose sum is σ = 20276784. Its totient is φ = 19969300.

The previous prime is 20123039. The next prime is 20123057. The reversal of 20123041 is 14032102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20123041 - 2¹ = 20123039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123021) 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 in 3 ways as a sum of consecutive naturals, for example, 76675 + ... + 76936.

It is an arithmetic number, because the mean of its divisors is an integer number (5069196).

Almost surely, 2^20123041 is an apocalyptic number.

It is an amenable number.

20123041 is a deficient number, since it is larger than the sum of its proper divisors (153743).

20123041 is a wasteful number, since it uses less digits than its factorization.

20123041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153742.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20123041 is about 4485.8712643142. The cubic root of 20123041 is about 271.9972651470.

Adding to 20123041 its reverse (14032102), we get a palindrome (34155143).

The spelling of 20123041 in words is "twenty million, one hundred twenty-three thousand, forty-one".