2000501720020 has 24 divisors (see below), whose sum is σ = 4201102080000. Its totient is φ = 800191456032.

The previous prime is 2000501720011. The next prime is 2000501720027. The reversal of 2000501720020 is 200271050002.

It is a self number, because there is not a number n which added to its sum of digits gives 2000501720020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000501720027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358181 + ... + 2417779.

It is an arithmetic number, because the mean of its divisors is an integer number (175045920000).

Almost surely, 2^{2000501720020} is an apocalyptic number.

2000501720020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000501720020 is an abundant number, since it is smaller than the sum of its proper divisors (2200600359980).

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

2000501720020 is a wasteful number, since it uses less digits than its factorization.

2000501720020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154007 (or 1154005 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

Adding to 2000501720020 its reverse (200271050002), we get a palindrome (2200772770022).

The spelling of 2000501720020 in words is "two trillion, five hundred one million, seven hundred twenty thousand, twenty".