20235104641 has 32 divisors (see below), whose sum is σ = 22921159680. Its totient is φ = 17762304000.

The previous prime is 20235104609. The next prime is 20235104663. The reversal of 20235104641 is 14640153202.

It is a cyclic number.

It is not a de Polignac number, because 20235104641 - 2⁵ = 20235104609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20235104741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12638241 + ... + 12639841.

It is an arithmetic number, because the mean of its divisors is an integer number (716286240).

Almost surely, 2^20235104641 is an apocalyptic number.

It is an amenable number.

20235104641 is a deficient number, since it is larger than the sum of its proper divisors (2686055039).

20235104641 is a wasteful number, since it uses less digits than its factorization.

20235104641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 20235104641 its reverse (14640153202), we get a palindrome (34875257843).

The spelling of 20235104641 in words is "twenty billion, two hundred thirty-five million, one hundred four thousand, six hundred forty-one".