210002200221020 has 24 divisors (see below), whose sum is σ = 448479275050800. Its totient is φ = 82577136357632.

The previous prime is 210002200221019. The next prime is 210002200221031. The reversal of 210002200221020 is 20122002200012.

It is a junction number, because it is equal to n+sod(n) for n = 210002200220986 and 210002200221004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88983981965 + ... + 88983984324.

It is an arithmetic number, because the mean of its divisors is an integer number (18686636460450).

Almost surely, 2^{210002200221020} is an apocalyptic number.

210002200221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002200221020 is an abundant number, since it is smaller than the sum of its proper divisors (238477074829780).

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

210002200221020 is a wasteful number, since it uses less digits than its factorization.

210002200221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177967966357 (or 177967966355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210002200221020 its reverse (20122002200012), we get a palindrome (230124202421032).

The spelling of 210002200221020 in words is "two hundred ten trillion, two billion, two hundred million, two hundred twenty-one thousand, twenty".