620042305655212 has 48 divisors (see below), whose sum is σ = 1244069300678400. Its totient is φ = 267644160653760.

The previous prime is 620042305655209. The next prime is 620042305655237. The reversal of 620042305655212 is 212556503240026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203780287 + ... + 2204061622.

It is an arithmetic number, because the mean of its divisors is an integer number (25918110430800).

Almost surely, 2^{620042305655212} is an apocalyptic number.

It is an amenable number.

620042305655212 is an abundant number, since it is smaller than the sum of its proper divisors (624026995023188).

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

620042305655212 is a wasteful number, since it uses less digits than its factorization.

620042305655212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407842086 (or 4407842084 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 620042305655212 its reverse (212556503240026), we get a palindrome (832598808895238).

The spelling of 620042305655212 in words is "six hundred twenty trillion, forty-two billion, three hundred five million, six hundred fifty-five thousand, two hundred twelve".