2000120221020 has 48 divisors (see below), whose sum is σ = 5843829519360. Its totient is φ = 510175592256.

The previous prime is 2000120220971. The next prime is 2000120221037. The reversal of 2000120221020 is 201220210002.

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 = 2000120220987 and 2000120221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724679860 + ... + 724682619.

It is an arithmetic number, because the mean of its divisors is an integer number (121746448320).

Almost surely, 2^{2000120221020} is an apocalyptic number.

2000120221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000120221020 is an abundant number, since it is smaller than the sum of its proper divisors (3843709298340).

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

2000120221020 is a wasteful number, since it uses less digits than its factorization.

2000120221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449362514 (or 1449362512 counting only the distinct ones).

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

Adding to 2000120221020 its reverse (201220210002), we get a palindrome (2201340431022).

The spelling of 2000120221020 in words is "two trillion, one hundred twenty million, two hundred twenty-one thousand, twenty".