20042313432 has 32 divisors (see below), whose sum is σ = 50177303280. Its totient is φ = 6671235200.

The previous prime is 20042313427. The next prime is 20042313443. The reversal of 20042313432 is 23431324002.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 578823 + ... + 612470.

Almost surely, 2^20042313432 is an apocalyptic number.

It is an amenable number.

20042313432 is an abundant number, since it is smaller than the sum of its proper divisors (30134989848).

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

20042313432 is a wasteful number, since it uses less digits than its factorization.

20042313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192003 (or 1191999 counting only the distinct ones).

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

Adding to 20042313432 its reverse (23431324002), we get a palindrome (43473637434).

The spelling of 20042313432 in words is "twenty billion, forty-two million, three hundred thirteen thousand, four hundred thirty-two".