210222020020000 has 120 divisors (see below), whose sum is σ = 519044783748876. Its totient is φ = 83785236096000.

The previous prime is 210222020019997. The next prime is 210222020020007. The reversal of 210222020020000 is 20020222012.

It can be written as a sum of positive squares in 10 ways, for example, as 4338205802896 + 205883814217104 = 2082836^2 + 14348652^2 .

It is not an unprimeable number, because it can be changed into a prime (210222020020007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13433107 + ... + 24513106.

Almost surely, 2^{210222020020000} is an apocalyptic number.

210222020020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222020020000 is an abundant number, since it is smaller than the sum of its proper divisors (308822763728876).

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

210222020020000 is an equidigital number, since it uses as much as digits as its factorization.

210222020020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37946520 (or 37946497 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 210222020020000 its reverse (20020222012), we get a palindrome (210242040242012).

The spelling of 210222020020000 in words is "two hundred ten trillion, two hundred twenty-two billion, twenty million, twenty thousand".