201210220020 has 96 divisors (see below), whose sum is σ = 593188001280. Its totient is φ = 50819425920.

The previous prime is 201210219997. The next prime is 201210220171. The reversal of 201210220020 is 20022012102.

201210220020 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 201210219978 and 201210220005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5090935 + ... + 5130305.

It is an arithmetic number, because the mean of its divisors is an integer number (6179041680).

Almost surely, 2^201210220020 is an apocalyptic number.

201210220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210220020 is an abundant number, since it is smaller than the sum of its proper divisors (391977781260).

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

201210220020 is a wasteful number, since it uses less digits than its factorization.

201210220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43885 (or 43883 counting only the distinct ones).

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

Adding to 201210220020 its reverse (20022012102), we get a palindrome (221232232122).

The spelling of 201210220020 in words is "two hundred one billion, two hundred ten million, two hundred twenty thousand, twenty".