20004305132 has 12 divisors (see below), whose sum is σ = 40008610320. Its totient is φ = 8573273616.

The previous prime is 20004305129. The next prime is 20004305143. The reversal of 20004305132 is 23150340002.

It is a happy number.

20004305132 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357219707 + ... + 357219762.

It is an arithmetic number, because the mean of its divisors is an integer number (3334050860).

Almost surely, 2^20004305132 is an apocalyptic number.

It is an amenable number.

20004305132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20004305132 is a wasteful number, since it uses less digits than its factorization.

20004305132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714439480 (or 714439478 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20004305132 its reverse (23150340002), we get a palindrome (43154645134).

The spelling of 20004305132 in words is "twenty billion, four million, three hundred five thousand, one hundred thirty-two".