210002000220 has 96 divisors (see below), whose sum is σ = 654856151040. Its totient is φ = 55870539840.

The previous prime is 210002000209. The next prime is 210002000231. The reversal of 210002000220 is 22000200012.

It is an interprime number because it is at equal distance from previous prime (210002000209) and next prime (210002000231).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218412 + ... + 683891.

It is an arithmetic number, because the mean of its divisors is an integer number (6821418240).

Almost surely, 2^210002000220 is an apocalyptic number.

210002000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002000220 is an abundant number, since it is smaller than the sum of its proper divisors (444854150820).

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

210002000220 is a wasteful number, since it uses less digits than its factorization.

210002000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902752 (or 902744 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 210002000220 its reverse (22000200012), we get a palindrome (232002200232).

The spelling of 210002000220 in words is "two hundred ten billion, two million, two hundred twenty", and thus it is an aban number.