20320024461 has 16 divisors (see below), whose sum is σ = 29849041728. Its totient is φ = 12193232000.

The previous prime is 20320024457. The next prime is 20320024481. The reversal of 20320024461 is 16442002302.

It is a cyclic number.

It is not a de Polignac number, because 20320024461 - 2² = 20320024457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320024441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044976 + ... + 3051641.

It is an arithmetic number, because the mean of its divisors is an integer number (1865565108).

Almost surely, 2^20320024461 is an apocalyptic number.

It is an amenable number.

20320024461 is a deficient number, since it is larger than the sum of its proper divisors (9529017267).

20320024461 is a wasteful number, since it uses less digits than its factorization.

20320024461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096732.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20320024461 its reverse (16442002302), we get a palindrome (36762026763).

The spelling of 20320024461 in words is "twenty billion, three hundred twenty million, twenty-four thousand, four hundred sixty-one".