2020002101020 has 24 divisors (see below), whose sum is σ = 4246819437168. Its totient is φ = 807083692800.

The previous prime is 2020002101011. The next prime is 2020002101041. The reversal of 2020002101020 is 201012000202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2020002100988 and 2020002101006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57303666 + ... + 57338905.

It is an arithmetic number, because the mean of its divisors is an integer number (176950809882).

Almost surely, 2^{2020002101020} is an apocalyptic number.

2020002101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020002101020 is an abundant number, since it is smaller than the sum of its proper divisors (2226817336148).

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

2020002101020 is a wasteful number, since it uses less digits than its factorization.

2020002101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114643461 (or 114643459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2020002101020 its reverse (201012000202), we get a palindrome (2221014101222).

The spelling of 2020002101020 in words is "two trillion, twenty billion, two million, one hundred one thousand, twenty".