20524302241 has 4 divisors (see below), whose sum is σ = 21416663232. Its totient is φ = 19631941252.

The previous prime is 20524302229. The next prime is 20524302257. The reversal of 20524302241 is 14220342502.

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 20524302241 - 2²⁷ = 20390084513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20524302221) 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, 446180461 + ... + 446180506.

It is an arithmetic number, because the mean of its divisors is an integer number (5354165808).

Almost surely, 2^20524302241 is an apocalyptic number.

It is an amenable number.

20524302241 is a deficient number, since it is larger than the sum of its proper divisors (892360991).

20524302241 is an equidigital number, since it uses as much as digits as its factorization.

20524302241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892360990.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20524302241 its reverse (14220342502), we get a palindrome (34744644743).

The spelling of 20524302241 in words is "twenty billion, five hundred twenty-four million, three hundred two thousand, two hundred forty-one".