222120002020 has 24 divisors (see below), whose sum is σ = 533088005184. Its totient is φ = 76155429216.

The previous prime is 222120002011. The next prime is 222120002029. The reversal of 222120002020 is 20200021222.

222120002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222120002011) and next prime (222120002029).

It is a super-3 number, since 3×222120002020³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (222120002029) by changing a digit.

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, 793285582 + ... + 793285861.

It is an arithmetic number, because the mean of its divisors is an integer number (22212000216).

Almost surely, 2^222120002020 is an apocalyptic number.

222120002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120002020 is an abundant number, since it is smaller than the sum of its proper divisors (310968003164).

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

222120002020 is a wasteful number, since it uses less digits than its factorization.

222120002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586571459 (or 1586571457 counting only the distinct ones).

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

Adding to 222120002020 its reverse (20200021222), we get a palindrome (242320023242).

The spelling of 222120002020 in words is "two hundred twenty-two billion, one hundred twenty million, two thousand, twenty".