20461241 has 4 divisors (see below), whose sum is σ = 20496000. Its totient is φ = 20426484.

The previous prime is 20461223. The next prime is 20461253. The reversal of 20461241 is 14216402.

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 20461241 - 2²² = 16266937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20461541) 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, 16481 + ... + 17678.

It is an arithmetic number, because the mean of its divisors is an integer number (5124000).

Almost surely, 2^20461241 is an apocalyptic number.

It is an amenable number.

20461241 is a deficient number, since it is larger than the sum of its proper divisors (34759).

20461241 is an equidigital number, since it uses as much as digits as its factorization.

20461241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34758.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20461241 is about 4523.4103285022. The cubic root of 20461241 is about 273.5125909534.

Adding to 20461241 its reverse (14216402), we get a palindrome (34677643).

It can be divided in two parts, 20461 and 241, that added together give a palindrome (20702).

The spelling of 20461241 in words is "twenty million, four hundred sixty-one thousand, two hundred forty-one".