2000201820020 has 48 divisors (see below), whose sum is σ = 4313503756800. Its totient is φ = 778826979840.

The previous prime is 2000201819999. The next prime is 2000201820041. The reversal of 2000201820020 is 200281020002.

It is an interprime number because it is at equal distance from previous prime (2000201819999) and next prime (2000201820041).

It is a super-2 number, since 2×2000201820020² (a number of 25 digits) contains 22 as substring.

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, 8802965 + ... + 9027324.

It is an arithmetic number, because the mean of its divisors is an integer number (89864661600).

Almost surely, 2^{2000201820020} is an apocalyptic number.

2000201820020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000201820020 is an abundant number, since it is smaller than the sum of its proper divisors (2313301936780).

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

2000201820020 is a wasteful number, since it uses less digits than its factorization.

2000201820020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830448 (or 17830446 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2000201820020 its reverse (200281020002), we get a palindrome (2200482840022).

The spelling of 2000201820020 in words is "two trillion, two hundred one million, eight hundred twenty thousand, twenty".