212201020222020 has 96 divisors (see below), whose sum is σ = 682945812259200. Its totient is φ = 54635664972672.

The previous prime is 212201020222007. The next prime is 212201020222027. The reversal of 212201020222020 is 20222020102212.

212201020222020 is a `hidden beast` number, since 2 + 1 + 220 + 1 + 0 + 202 + 220 + 20 = 666.

It is a super-2 number, since 2×212201020222020² (a number of 29 digits) contains 22 as substring.

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 = 212201020221984 and 212201020222002.

It is not an unprimeable number, because it can be changed into a prime (212201020222027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6775240414 + ... + 6775271733.

It is an arithmetic number, because the mean of its divisors is an integer number (7114018877700).

Almost surely, 2^{212201020222020} is an apocalyptic number.

212201020222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201020222020 is an abundant number, since it is smaller than the sum of its proper divisors (470744792037180).

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

212201020222020 is a wasteful number, since it uses less digits than its factorization.

212201020222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13550512194 (or 13550512186 counting only the distinct ones).

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

Adding to 212201020222020 its reverse (20222020102212), we get a palindrome (232423040324232).

The spelling of 212201020222020 in words is "two hundred twelve trillion, two hundred one billion, twenty million, two hundred twenty-two thousand, twenty".