20650041 has 6 divisors (see below), whose sum is σ = 29827850. Its totient is φ = 13766688.

The previous prime is 20650027. The next prime is 20650043. The reversal of 20650041 is 14005602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 4968441 = 3960^2 + 2229^2 .

It is not a de Polignac number, because 20650041 - 2⁵ = 20650009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20649996 and 20650023.

It is not an unprimeable number, because it can be changed into a prime (20650043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1147216 + ... + 1147233.

Almost surely, 2^20650041 is an apocalyptic number.

It is an amenable number.

20650041 is a deficient number, since it is larger than the sum of its proper divisors (9177809).

20650041 is a wasteful number, since it uses less digits than its factorization.

20650041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294455 (or 2294452 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20650041 is about 4544.2316182167. The cubic root of 20650041 is about 274.3512686272.

Adding to 20650041 its reverse (14005602), we get a palindrome (34655643).

The spelling of 20650041 in words is "twenty million, six hundred fifty thousand, forty-one".