20123241 has 4 divisors (see below), whose sum is σ = 26830992. Its totient is φ = 13415492.

The previous prime is 20123239. The next prime is 20123263. The reversal of 20123241 is 14232102.

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 20123241 - 2¹ = 20123239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20123241.

It is not an unprimeable number, because it can be changed into a prime (20123231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353871 + ... + 3353876.

It is an arithmetic number, because the mean of its divisors is an integer number (6707748).

Almost surely, 2^20123241 is an apocalyptic number.

It is an amenable number.

20123241 is a deficient number, since it is larger than the sum of its proper divisors (6707751).

20123241 is an equidigital number, since it uses as much as digits as its factorization.

20123241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707750.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20123241 is about 4485.8935564723. The cubic root of 20123241 is about 271.9981662578.

Adding to 20123241 its reverse (14232102), we get a palindrome (34355343).

It can be divided in two parts, 2012 and 3241, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 20123241 in words is "twenty million, one hundred twenty-three thousand, two hundred forty-one".