200120210012020 has 12 divisors (see below), whose sum is σ = 420252441025284. Its totient is φ = 80048084004800.

The previous prime is 200120210012011. The next prime is 200120210012029. The reversal of 200120210012020 is 20210012021002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200120210012011) and next prime (200120210012029).

It can be written as a sum of positive squares in 2 ways, for example, as 99940088976016 + 100180121036004 = 9997004^2 + 10009002^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120210012029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5003005250281 + ... + 5003005250320.

It is an arithmetic number, because the mean of its divisors is an integer number (35021036752107).

Almost surely, 2^{200120210012020} is an apocalyptic number.

200120210012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120210012020 is an abundant number, since it is smaller than the sum of its proper divisors (220132231013264).

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

200120210012020 is a wasteful number, since it uses less digits than its factorization.

200120210012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006010500610 (or 10006010500608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200120210012020 its reverse (20210012021002), we get a palindrome (220330222033022).

The spelling of 200120210012020 in words is "two hundred trillion, one hundred twenty billion, two hundred ten million, twelve thousand, twenty".