2102203203020 has 12 divisors (see below), whose sum is σ = 4414626726384. Its totient is φ = 840881281200.

The previous prime is 2102203202921. The next prime is 2102203203043. The reversal of 2102203203020 is 203023022012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102203203020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52555080056 + ... + 52555080095.

It is an arithmetic number, because the mean of its divisors is an integer number (367885560532).

Almost surely, 2^{2102203203020} is an apocalyptic number.

2102203203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102203203020 is an abundant number, since it is smaller than the sum of its proper divisors (2312423523364).

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

2102203203020 is a wasteful number, since it uses less digits than its factorization.

2102203203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105110160160 (or 105110160158 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2102203203020 its reverse (203023022012), we get a palindrome (2305226225032).

The spelling of 2102203203020 in words is "two trillion, one hundred two billion, two hundred three million, two hundred three thousand, twenty".