20100342032 has 20 divisors (see below), whose sum is σ = 38946840576. Its totient is φ = 10049544480.

The previous prime is 20100342007. The next prime is 20100342043. The reversal of 20100342032 is 23024300102.

It is a self number, because there is not a number n which added to its sum of digits gives 20100342032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332273 + ... + 388079.

Almost surely, 2^20100342032 is an apocalyptic number.

It is an amenable number.

20100342032 is a deficient number, since it is larger than the sum of its proper divisors (18846498544).

20100342032 is a wasteful number, since it uses less digits than its factorization.

20100342032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78326 (or 78320 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20100342032 its reverse (23024300102), we get a palindrome (43124642134).

The spelling of 20100342032 in words is "twenty billion, one hundred million, three hundred forty-two thousand, thirty-two".