42120000220 has 48 divisors (see below), whose sum is σ = 88687872000. Its totient is φ = 16803144000.

The previous prime is 42120000191. The next prime is 42120000233. The reversal of 42120000220 is 2200002124.

42120000220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42120000220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15604431 + ... + 15607129.

It is an arithmetic number, because the mean of its divisors is an integer number (1847664000).

Almost surely, 2^42120000220 is an apocalyptic number.

It is an amenable number.

42120000220 is an abundant number, since it is smaller than the sum of its proper divisors (46567871780).

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

42120000220 is a wasteful number, since it uses less digits than its factorization.

42120000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498 (or 4496 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 42120000220 its reverse (2200002124), we get a palindrome (44320002344).

The spelling of 42120000220 in words is "forty-two billion, one hundred twenty million, two hundred twenty", and thus it is an aban number.