20143302105 has 32 divisors (see below), whose sum is σ = 33957181440. Its totient is φ = 10168182720.

The previous prime is 20143302079. The next prime is 20143302191. The reversal of 20143302105 is 50120334102.

It is not a de Polignac number, because 20143302105 - 2⁵ = 20143302073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278544 + ... + 343326.

It is an arithmetic number, because the mean of its divisors is an integer number (1061161920).

Almost surely, 2^20143302105 is an apocalyptic number.

It is an amenable number.

20143302105 is a deficient number, since it is larger than the sum of its proper divisors (13813879335).

20143302105 is a wasteful number, since it uses less digits than its factorization.

20143302105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65901.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20143302105 its reverse (50120334102), we get a palindrome (70263636207).

The spelling of 20143302105 in words is "twenty billion, one hundred forty-three million, three hundred two thousand, one hundred five".