2212201020 has 48 divisors (see below), whose sum is σ = 6202068768. Its totient is φ = 589167360.

The previous prime is 2212201009. The next prime is 2212201037. The reversal of 2212201020 is 201022122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2212200987 and 2212201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24690 + ... + 70950.

It is an arithmetic number, because the mean of its divisors is an integer number (129209766).

Almost surely, 2^2212201020 is an apocalyptic number.

2212201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212201020 is an abundant number, since it is smaller than the sum of its proper divisors (3989867748).

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

2212201020 is a wasteful number, since it uses less digits than its factorization.

2212201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47070 (or 47068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2212201020 is about 47034.0410766500. The cubic root of 2212201020 is about 1302.9913403504.

Adding to 2212201020 its reverse (201022122), we get a palindrome (2413223142).

The spelling of 2212201020 in words is "two billion, two hundred twelve million, two hundred one thousand, twenty".