202212102220220 has 24 divisors (see below), whose sum is σ = 424645885557600. Its totient is φ = 80884751193792.

The previous prime is 202212102220151. The next prime is 202212102220241. The reversal of 202212102220220 is 22022201212202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202212102220192 and 202212102220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14669201 + ... + 24891959.

It is an arithmetic number, because the mean of its divisors is an integer number (17693578564900).

Almost surely, 2^{202212102220220} is an apocalyptic number.

202212102220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212102220220 is an abundant number, since it is smaller than the sum of its proper divisors (222433783337380).

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

202212102220220 is a wasteful number, since it uses less digits than its factorization.

202212102220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211797 (or 11211795 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202212102220220 its reverse (22022201212202), we get a palindrome (224234303432422).

The spelling of 202212102220220 in words is "two hundred two trillion, two hundred twelve billion, one hundred two million, two hundred twenty thousand, two hundred twenty".