42334000020 has 144 divisors (see below), whose sum is σ = 139584332160. Its totient is φ = 10323226368.

The previous prime is 42333999979. The next prime is 42334000063. The reversal of 42334000020 is 2000043324.

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

It is a junction number, because it is equal to n+sod(n) for n = 42333999957 and 42334000002.

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 47 ways as a sum of consecutive naturals, for example, 165841 + ... + 334919.

It is an arithmetic number, because the mean of its divisors is an integer number (969335640).

Almost surely, 2^42334000020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42334000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69792166080).

42334000020 is an abundant number, since it is smaller than the sum of its proper divisors (97250332140).

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

42334000020 is a wasteful number, since it uses less digits than its factorization.

42334000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169214 (or 169209 counting only the distinct ones).

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

Adding to 42334000020 its reverse (2000043324), we get a palindrome (44334043344).

The spelling of 42334000020 in words is "forty-two billion, three hundred thirty-four million, twenty", and thus it is an aban number.