20004323542 has 8 divisors (see below), whose sum is σ = 34293126096. Its totient is φ = 8573281512.

The previous prime is 20004323539. The next prime is 20004323557. The reversal of 20004323542 is 24532340002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714440113 + ... + 714440140.

It is an arithmetic number, because the mean of its divisors is an integer number (4286640762).

Almost surely, 2^20004323542 is an apocalyptic number.

20004323542 is a deficient number, since it is larger than the sum of its proper divisors (14288802554).

20004323542 is a wasteful number, since it uses less digits than its factorization.

20004323542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428880262.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20004323542 its reverse (24532340002), we get a palindrome (44536663544).

The spelling of 20004323542 in words is "twenty billion, four million, three hundred twenty-three thousand, five hundred forty-two".