2021002020204 has 12 divisors (see below), whose sum is σ = 4715671380504. Its totient is φ = 673667340064.

The previous prime is 2021002020197. The next prime is 2021002020227. The reversal of 2021002020204 is 4020202001202.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84208417497 + ... + 84208417520.

It is an arithmetic number, because the mean of its divisors is an integer number (392972615042).

Almost surely, 2^{2021002020204} is an apocalyptic number.

It is an amenable number.

2021002020204 is an abundant number, since it is smaller than the sum of its proper divisors (2694669360300).

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

2021002020204 is a wasteful number, since it uses less digits than its factorization.

2021002020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168416835024 (or 168416835022 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2021002020204 its reverse (4020202001202), we get a palindrome (6041204021406).

The spelling of 2021002020204 in words is "two trillion, twenty-one billion, two million, twenty thousand, two hundred four".