4221854570020 has 12 divisors (see below), whose sum is σ = 8865894597084. Its totient is φ = 1688741828000.

The previous prime is 4221854569991. The next prime is 4221854570039. The reversal of 4221854570020 is 200754581224.

It is a happy number.

4221854570020 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 469707363904 + 3752147206116 = 685352^2 + 1937046^2 .

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, 105546364231 + ... + 105546364270.

It is an arithmetic number, because the mean of its divisors is an integer number (738824549757).

Almost surely, 2^{4221854570020} is an apocalyptic number.

It is an amenable number.

4221854570020 is an abundant number, since it is smaller than the sum of its proper divisors (4644040027064).

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

4221854570020 is a wasteful number, since it uses less digits than its factorization.

4221854570020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211092728510 (or 211092728508 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The spelling of 4221854570020 in words is "four trillion, two hundred twenty-one billion, eight hundred fifty-four million, five hundred seventy thousand, twenty".