202212200220 has 96 divisors (see below), whose sum is σ = 604158401280. Its totient is φ = 50385369600.

The previous prime is 202212200173. The next prime is 202212200221. The reversal of 202212200220 is 22002212202.

202212200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×202212200220⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202212200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212200221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1131706 + ... + 1298145.

It is an arithmetic number, because the mean of its divisors is an integer number (6293316680).

Almost surely, 2^202212200220 is an apocalyptic number.

202212200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212200220 is an abundant number, since it is smaller than the sum of its proper divisors (401946201060).

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

202212200220 is a wasteful number, since it uses less digits than its factorization.

202212200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429955 (or 2429953 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 202212200220 its reverse (22002212202), we get a palindrome (224214412422).

The spelling of 202212200220 in words is "two hundred two billion, two hundred twelve million, two hundred thousand, two hundred twenty".