2020020209999 has 8 divisors (see below), whose sum is σ = 2225476812240. Its totient is φ = 1818200008000.

The previous prime is 2020020209989. The next prime is 2020020210011. The reversal of 2020020209999 is 9999020200202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020020209999 - 2³² = 2015725242703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020020209959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909098894 + ... + 909101115.

It is an arithmetic number, because the mean of its divisors is an integer number (278184601530).

Almost surely, 2^{2020020209999} is an apocalyptic number.

2020020209999 is a deficient number, since it is larger than the sum of its proper divisors (205456602241).

2020020209999 is a wasteful number, since it uses less digits than its factorization.

2020020209999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818200121.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 2020020209999 in words is "two trillion, twenty billion, twenty million, two hundred nine thousand, nine hundred ninety-nine".