201200210020 has 24 divisors (see below), whose sum is σ = 425356155000. Its totient is φ = 79939948032.

The previous prime is 201200209949. The next prime is 201200210027. The reversal of 201200210020 is 20012002102.

201200210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1313316 + 201198896704 = 1146^2 + 448552^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201200209979 and 201200210006.

It is not an unprimeable number, because it can be changed into a prime (201200210027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33755445 + ... + 33761404.

It is an arithmetic number, because the mean of its divisors is an integer number (17723173125).

Almost surely, 2^201200210020 is an apocalyptic number.

201200210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200210020 is an abundant number, since it is smaller than the sum of its proper divisors (224155944980).

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

201200210020 is a wasteful number, since it uses less digits than its factorization.

201200210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67517007 (or 67517005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201200210020 its reverse (20012002102), we get a palindrome (221212212122).

The spelling of 201200210020 in words is "two hundred one billion, two hundred million, two hundred ten thousand, twenty".