222211202020 has 24 divisors (see below), whose sum is σ = 466930404864. Its totient is φ = 88829836896.

The previous prime is 222211201997. The next prime is 222211202023. The reversal of 222211202020 is 20202112222.

It is a junction number, because it is equal to n+sod(n) for n = 222211201985 and 222211202003.

It is not an unprimeable number, because it can be changed into a prime (222211202023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3381892 + ... + 3446971.

It is an arithmetic number, because the mean of its divisors is an integer number (19455433536).

Almost surely, 2^222211202020 is an apocalyptic number.

222211202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211202020 is an abundant number, since it is smaller than the sum of its proper divisors (244719202844).

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

222211202020 is a wasteful number, since it uses less digits than its factorization.

222211202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830499 (or 6830497 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222211202020 its reverse (20202112222), we get a palindrome (242413314242).

The spelling of 222211202020 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred two thousand, twenty".