20713041 has 24 divisors (see below), whose sum is σ = 31898880. Its totient is φ = 12921216.

The previous prime is 20713039. The next prime is 20713051. The reversal of 20713041 is 14031702.

It is not a de Polignac number, because 20713041 - 2¹ = 20713039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20713051) 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 23 ways as a sum of consecutive naturals, for example, 8665 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (1329120).

Almost surely, 2^20713041 is an apocalyptic number.

It is an amenable number.

20713041 is a deficient number, since it is larger than the sum of its proper divisors (11185839).

20713041 is a wasteful number, since it uses less digits than its factorization.

20713041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20713041 is about 4551.1582042377. The cubic root of 20713041 is about 274.6299861143.

Adding to 20713041 its reverse (14031702), we get a palindrome (34744743).

The spelling of 20713041 in words is "twenty million, seven hundred thirteen thousand, forty-one".