20533450241 has 8 divisors (see below), whose sum is σ = 20567769600. Its totient is φ = 20499156000.

The previous prime is 20533450213. The next prime is 20533450339. The reversal of 20533450241 is 14205433502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20533450241 - 2¹⁸ = 20533188097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20533450211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276741 + ... + 2285741.

It is an arithmetic number, because the mean of its divisors is an integer number (2570971200).

Almost surely, 2^20533450241 is an apocalyptic number.

It is an amenable number.

20533450241 is a deficient number, since it is larger than the sum of its proper divisors (34319359).

20533450241 is an equidigital number, since it uses as much as digits as its factorization.

20533450241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12559.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20533450241 its reverse (14205433502), we get a palindrome (34738883743).

The spelling of 20533450241 in words is "twenty billion, five hundred thirty-three million, four hundred fifty thousand, two hundred forty-one".