210220221020208 has 160 divisors (see below), whose sum is σ = 628562340864000. Its totient is φ = 59297362046208.

The previous prime is 210220221020197. The next prime is 210220221020279. The reversal of 210220221020208 is 802020122022012.

It is a happy number.

210220221020208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303396943 + ... + 304089041.

It is an arithmetic number, because the mean of its divisors is an integer number (3928514630400).

Almost surely, 2^{210220221020208} is an apocalyptic number.

210220221020208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220221020208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314281170432000).

210220221020208 is an abundant number, since it is smaller than the sum of its proper divisors (418342119843792).

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

210220221020208 is a wasteful number, since it uses less digits than its factorization.

210220221020208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703639 (or 703633 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 210220221020208 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred eight".