42323040020 has 12 divisors (see below), whose sum is σ = 88878384084. Its totient is φ = 16929216000.

The previous prime is 42323039987. The next prime is 42323040031. The reversal of 42323040020 is 2004032324.

42323040020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5435228176 + 36887811844 = 73724^2 + 192062^2 .

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: 2116152001 = 42323040020 / (4 + 2 + 3 + 2 + 3 + 0 + 4 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 42323039974 and 42323040001.

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, 1058075981 + ... + 1058076020.

It is an arithmetic number, because the mean of its divisors is an integer number (7406532007).

Almost surely, 2^42323040020 is an apocalyptic number.

It is an amenable number.

42323040020 is an abundant number, since it is smaller than the sum of its proper divisors (46555344064).

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

42323040020 is a wasteful number, since it uses less digits than its factorization.

42323040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116152010 (or 2116152008 counting only the distinct ones).

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

Adding to 42323040020 its reverse (2004032324), we get a palindrome (44327072344).

The spelling of 42323040020 in words is "forty-two billion, three hundred twenty-three million, forty thousand, twenty".