20332332305 has 32 divisors (see below), whose sum is σ = 25391923200. Its totient is φ = 15619511232.

The previous prime is 20332332301. The next prime is 20332332311. The reversal of 20332332305 is 50323323302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20332332305 - 2² = 20332332301 is a prime.

It is a super-2 number, since 2×20332332305² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20332332301) 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, 3022736 + ... + 3029454.

It is an arithmetic number, because the mean of its divisors is an integer number (793497600).

Almost surely, 2^20332332305 is an apocalyptic number.

It is an amenable number.

20332332305 is a deficient number, since it is larger than the sum of its proper divisors (5059590895).

20332332305 is a wasteful number, since it uses less digits than its factorization.

20332332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013.

The product of its (nonzero) digits is 9720, while the sum is 26.

Adding to 20332332305 its reverse (50323323302), we get a palindrome (70655655607).

The spelling of 20332332305 in words is "twenty billion, three hundred thirty-two million, three hundred thirty-two thousand, three hundred five".