210220221020202 has 96 divisors (see below), whose sum is σ = 500968621670400. Its totient is φ = 63413549359776.

The previous prime is 210220221020197. The next prime is 210220221020279. The reversal of 210220221020202 is 202020122022012.

210220221020202 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 221 + 0 + 20 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12140202 + ... + 23829077.

It is an arithmetic number, because the mean of its divisors is an integer number (5218423142400).

Almost surely, 2^{210220221020202} is an apocalyptic number.

210220221020202 is an abundant number, since it is smaller than the sum of its proper divisors (290748400650198).

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

210220221020202 is a wasteful number, since it uses less digits than its factorization.

210220221020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35970072 (or 35970069 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210220221020202 its reverse (202020122022012), we get a palindrome (412240343042214).

The spelling of 210220221020202 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred two".