42304320020 has 12 divisors (see below), whose sum is σ = 88839072084. Its totient is φ = 16921728000.

The previous prime is 42304320011. The next prime is 42304320043. The reversal of 42304320020 is 2002340324.

It can be written as a sum of positive squares in 2 ways, for example, as 22998329104 + 19305990916 = 151652^2 + 138946^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2115216001 = 42304320020 / (4 + 2 + 3 + 0 + 4 + 3 + 2 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 42304319974 and 42304320001.

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, 1057607981 + ... + 1057608020.

It is an arithmetic number, because the mean of its divisors is an integer number (7403256007).

Almost surely, 2^42304320020 is an apocalyptic number.

It is an amenable number.

42304320020 is an abundant number, since it is smaller than the sum of its proper divisors (46534752064).

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

42304320020 is a wasteful number, since it uses less digits than its factorization.

42304320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115216010 (or 2115216008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 42304320020 its reverse (2002340324), we get a palindrome (44306660344).

The spelling of 42304320020 in words is "forty-two billion, three hundred four million, three hundred twenty thousand, twenty".