2222212201020 has 144 divisors (see below), whose sum is σ = 7867577023488. Its totient is φ = 497127093120.

The previous prime is 2222212201003. The next prime is 2222212201063. The reversal of 2222212201020 is 201022122222.

2222212201020 is a `hidden beast` number, since 222 + 221 + 2 + 201 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2222212200984 and 2222212201002.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 18703126 + ... + 18821565.

It is an arithmetic number, because the mean of its divisors is an integer number (54635951552).

Almost surely, 2^{2222212201020} is an apocalyptic number.

2222212201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222212201020 is an abundant number, since it is smaller than the sum of its proper divisors (5645364822468).

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

2222212201020 is a wasteful number, since it uses less digits than its factorization.

2222212201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37524760 (or 37524755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222212201020 its reverse (201022122222), we get a palindrome (2423234323242).

The spelling of 2222212201020 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred one thousand, twenty".