2000002021020 has 72 divisors (see below), whose sum is σ = 6066816231840. Its totient is φ = 533321262720.

The previous prime is 2000002020971. The next prime is 2000002021021. The reversal of 2000002021020 is 201202000002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2000002020993 and 2000002021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000002021021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9431721 + ... + 9641439.

Almost surely, 2^{2000002021020} is an apocalyptic number.

2000002021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000002021020 is an abundant number, since it is smaller than the sum of its proper divisors (4066814210820).

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

2000002021020 is a wasteful number, since it uses less digits than its factorization.

2000002021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262715 (or 262710 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2000002021020 its reverse (201202000002), we get a palindrome (2201204021022).

The spelling of 2000002021020 in words is "two trillion, two million, twenty-one thousand, twenty".