20042343000 has 512 divisors, whose sum is σ = 72516787200. Its totient is φ = 5116608000.

The previous prime is 20042342989. The next prime is 20042343017. The reversal of 20042343000 is 34324002.

20042343000 is a `hidden beast` number, since 200 + 423 + 43 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 127 ways as a sum of consecutive naturals, for example, 70820859 + ... + 70821141.

It is an arithmetic number, because the mean of its divisors is an integer number (141634350).

Almost surely, 2^20042343000 is an apocalyptic number.

20042343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20042343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36258393600).

20042343000 is an abundant number, since it is smaller than the sum of its proper divisors (52474444200).

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

20042343000 is a wasteful number, since it uses less digits than its factorization.

20042343000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20042343000 its reverse (34324002), we get a palindrome (20076667002).

The spelling of 20042343000 in words is "twenty billion, forty-two million, three hundred forty-three thousand".