2021200202020 has 24 divisors (see below), whose sum is σ = 4244607509184. Its totient is φ = 808463493216.

The previous prime is 2021200201987. The next prime is 2021200202059. The reversal of 2021200202020 is 202020021202.

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, 12894 + ... + 2010613.

It is an arithmetic number, because the mean of its divisors is an integer number (176858646216).

Almost surely, 2^{2021200202020} is an apocalyptic number.

2021200202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021200202020 is an abundant number, since it is smaller than the sum of its proper divisors (2223407307164).

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

2021200202020 is a wasteful number, since it uses less digits than its factorization.

2021200202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073459 (or 2073457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2021200202020 its reverse (202020021202), we get a palindrome (2223220223222).

The spelling of 2021200202020 in words is "two trillion, twenty-one billion, two hundred million, two hundred two thousand, twenty".