202110002220 has 96 divisors (see below), whose sum is σ = 684796267008. Its totient is φ = 43479124992.

The previous prime is 202110002207. The next prime is 202110002233. The reversal of 202110002220 is 22200011202.

202110002220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202110002207) and next prime (202110002233).

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 = 202110002196 and 202110002205.

It is an unprimeable number.

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, 14146222 + ... + 14160501.

It is an arithmetic number, because the mean of its divisors is an integer number (7133294448).

Almost surely, 2^202110002220 is an apocalyptic number.

202110002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110002220 is an abundant number, since it is smaller than the sum of its proper divisors (482686264788).

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

202110002220 is a wasteful number, since it uses less digits than its factorization.

202110002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28306759 (or 28306757 counting only the distinct ones).

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

Adding to 202110002220 its reverse (22200011202), we get a palindrome (224310013422).

The spelling of 202110002220 in words is "two hundred two billion, one hundred ten million, two thousand, two hundred twenty".