222000210020020 has 48 divisors (see below), whose sum is σ = 482939657077248. Its totient is φ = 85631905860480.

The previous prime is 222000210019999. The next prime is 222000210020033. The reversal of 222000210020020 is 20020012000222.

It is a congruent number.

It is an unprimeable number.

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, 632447959 + ... + 632798878.

It is an arithmetic number, because the mean of its divisors is an integer number (10061242855776).

Almost surely, 2^{222000210020020} is an apocalyptic number.

222000210020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000210020020 is an abundant number, since it is smaller than the sum of its proper divisors (260939447057228).

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

222000210020020 is a wasteful number, since it uses less digits than its factorization.

222000210020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265247160 (or 1265247158 counting only the distinct ones).

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

Adding to 222000210020020 its reverse (20020012000222), we get a palindrome (242020222020242).

The spelling of 222000210020020 in words is "two hundred twenty-two trillion, two hundred ten million, twenty thousand, twenty".