20210020212222 has 48 divisors (see below), whose sum is σ = 46823215216752. Its totient is φ = 6277622265600.

The previous prime is 20210020212163. The next prime is 20210020212223. The reversal of 20210020212222 is 22221202001202.

20210020212222 is a `hidden beast` number, since 2 + 0 + 210 + 0 + 20 + 212 + 222 = 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 = 20210020212195 and 20210020212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210020212223) 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 23 ways as a sum of consecutive naturals, for example, 326928588 + ... + 326990399.

It is an arithmetic number, because the mean of its divisors is an integer number (975483650349).

Almost surely, 2^{20210020212222} is an apocalyptic number.

20210020212222 is an abundant number, since it is smaller than the sum of its proper divisors (26613195004530).

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

20210020212222 is a wasteful number, since it uses less digits than its factorization.

20210020212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653919113 (or 653919110 counting only the distinct ones).

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

Adding to 20210020212222 its reverse (22221202001202), we get a palindrome (42431222213424).

The spelling of 20210020212222 in words is "twenty trillion, two hundred ten billion, twenty million, two hundred twelve thousand, two hundred twenty-two".