2000120221220 has 192 divisors, whose sum is σ = 4921849287936. Its totient is φ = 674639953920.

The previous prime is 2000120221117. The next prime is 2000120221223. The reversal of 2000120221220 is 221220210002.

It is a junction number, because it is equal to n+sod(n) for n = 2000120221195 and 2000120221204.

It is not an unprimeable number, because it can be changed into a prime (2000120221223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 568698902 + ... + 568702418.

It is an arithmetic number, because the mean of its divisors is an integer number (25634631708).

Almost surely, 2^{2000120221220} is an apocalyptic number.

2000120221220 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 2000120221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460924643968).

2000120221220 is an abundant number, since it is smaller than the sum of its proper divisors (2921729066716).

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

2000120221220 is a wasteful number, since it uses less digits than its factorization.

2000120221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2000120221220 its reverse (221220210002), we get a palindrome (2221340431222).

The spelling of 2000120221220 in words is "two trillion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty".