222212002220020 has 24 divisors (see below), whose sum is σ = 473610058465824. Its totient is φ = 87558162068256.

The previous prime is 222212002219979. The next prime is 222212002220051. The reversal of 222212002220020 is 20022200212222.

222212002220020 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 222212002220020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82914924862 + ... + 82914927541.

It is an arithmetic number, because the mean of its divisors is an integer number (19733752436076).

Almost surely, 2^{222212002220020} is an apocalyptic number.

222212002220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212002220020 is an abundant number, since it is smaller than the sum of its proper divisors (251398056245804).

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

222212002220020 is a wasteful number, since it uses less digits than its factorization.

222212002220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165829852479 (or 165829852477 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222212002220020 its reverse (20022200212222), we get a palindrome (242234202432242).

The spelling of 222212002220020 in words is "two hundred twenty-two trillion, two hundred twelve billion, two million, two hundred twenty thousand, twenty".