42120043320220 has 48 divisors (see below), whose sum is σ = 88646815752768. Its totient is φ = 16810965135360.

The previous prime is 42120043320217. The next prime is 42120043320221. The reversal of 42120043320220 is 2202334002124.

42120043320220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120043320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16442940 + ... + 18831100.

It is an arithmetic number, because the mean of its divisors is an integer number (1846808661516).

Almost surely, 2^{42120043320220} is an apocalyptic number.

It is an amenable number.

42120043320220 is an abundant number, since it is smaller than the sum of its proper divisors (46526772432548).

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

42120043320220 is a wasteful number, since it uses less digits than its factorization.

42120043320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390110 (or 2390108 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42120043320220 its reverse (2202334002124), we get a palindrome (44322377322344).

The spelling of 42120043320220 in words is "forty-two trillion, one hundred twenty billion, forty-three million, three hundred twenty thousand, two hundred twenty".