2000521920 has 224 divisors, whose sum is σ = 6909133248. Its totient is φ = 488374272.

The previous prime is 2000521879. The next prime is 2000521921. The reversal of 2000521920 is 291250002.

It is not an unprimeable number, because it can be changed into a prime (2000521921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602184 + ... + 605496.

Almost surely, 2^2000521920 is an apocalyptic number.

2000521920 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 2000521920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3454566624).

2000521920 is an abundant number, since it is smaller than the sum of its proper divisors (4908611328).

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

2000521920 is a wasteful number, since it uses less digits than its factorization.

2000521920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2000521920 is about 44727.1944123483. The cubic root of 2000521920 is about 1260.0306366952.

Adding to 2000521920 its reverse (291250002), we get a palindrome (2291771922).

The spelling of 2000521920 in words is "two billion, five hundred twenty-one thousand, nine hundred twenty".