20523244241 has 8 divisors (see below), whose sum is σ = 21447973824. Its totient is φ = 19601215920.

The previous prime is 20523244211. The next prime is 20523244243. The reversal of 20523244241 is 14244232502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20523244241 is a prime.

It is a super-3 number, since 3×20523244241³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20523244243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659771 + ... + 690176.

It is an arithmetic number, because the mean of its divisors is an integer number (2680996728).

Almost surely, 2^20523244241 is an apocalyptic number.

It is an amenable number.

20523244241 is a deficient number, since it is larger than the sum of its proper divisors (924729583).

20523244241 is a wasteful number, since it uses less digits than its factorization.

20523244241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350631.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 20523244241 its reverse (14244232502), we get a palindrome (34767476743).

The spelling of 20523244241 in words is "twenty billion, five hundred twenty-three million, two hundred forty-four thousand, two hundred forty-one".