20042343132 has 48 divisors (see below), whose sum is σ = 53456911872. Its totient is φ = 5725241280.

The previous prime is 20042343109. The next prime is 20042343143. The reversal of 20042343132 is 23134324002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457257 + ... + 499167.

It is an arithmetic number, because the mean of its divisors is an integer number (1113685664).

Almost surely, 2^20042343132 is an apocalyptic number.

It is an amenable number.

20042343132 is an abundant number, since it is smaller than the sum of its proper divisors (33414568740).

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

20042343132 is a wasteful number, since it uses less digits than its factorization.

20042343132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47618 (or 47616 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20042343132 its reverse (23134324002), we get a palindrome (43176667134).

The spelling of 20042343132 in words is "twenty billion, forty-two million, three hundred forty-three thousand, one hundred thirty-two".