222642666020 has 24 divisors (see below), whose sum is σ = 467681860800. Its totient is φ = 89031873632.

The previous prime is 222642665989. The next prime is 222642666067. The reversal of 222642666020 is 20666246222.

222642666020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502000 + ... + 1643559.

It is an arithmetic number, because the mean of its divisors is an integer number (19486744200).

Almost surely, 2^222642666020 is an apocalyptic number.

222642666020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222642666020 is an abundant number, since it is smaller than the sum of its proper divisors (245039194780).

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

222642666020 is a wasteful number, since it uses less digits than its factorization.

222642666020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149107 (or 3149105 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 222642666020 in words is "two hundred twenty-two billion, six hundred forty-two million, six hundred sixty-six thousand, twenty".