201010202220 has 96 divisors (see below), whose sum is σ = 573150009600. Its totient is φ = 52622210304.

The previous prime is 201010202177. The next prime is 201010202233. The reversal of 201010202220 is 22202010102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201010202196 and 201010202205.

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, 2577642 + ... + 2654478.

It is an arithmetic number, because the mean of its divisors is an integer number (5970312600).

Almost surely, 2^201010202220 is an apocalyptic number.

201010202220 is a gapful number since it is divisible by the number (20) 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 201010202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286575004800).

201010202220 is an abundant number, since it is smaller than the sum of its proper divisors (372139807380).

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

201010202220 is a wasteful number, since it uses less digits than its factorization.

201010202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77647 (or 77645 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201010202220 its reverse (22202010102), we get a palindrome (223212212322).

The spelling of 201010202220 in words is "two hundred one billion, ten million, two hundred two thousand, two hundred twenty".