2000120211020 has 72 divisors (see below), whose sum is σ = 4468639024080. Its totient is φ = 751842380800.

The previous prime is 2000120211013. The next prime is 2000120211031. The reversal of 2000120211020 is 201120210002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2000120210992 and 2000120211010.

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 23 ways as a sum of consecutive naturals, for example, 3546470 + ... + 4071570.

It is an arithmetic number, because the mean of its divisors is an integer number (62064430890).

Almost surely, 2^{2000120211020} is an apocalyptic number.

2000120211020 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 2000120211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234319512040).

2000120211020 is an abundant number, since it is smaller than the sum of its proper divisors (2468518813060).

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

2000120211020 is a wasteful number, since it uses less digits than its factorization.

2000120211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525803 (or 525784 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2000120211020 its reverse (201120210002), we get a palindrome (2201240421022).

The spelling of 2000120211020 in words is "two trillion, one hundred twenty million, two hundred eleven thousand, twenty".