2005442020999 has 4 divisors (see below), whose sum is σ = 2020080284064. Its totient is φ = 1990803757936.

The previous prime is 2005442020993. The next prime is 2005442021059. The reversal of 2005442020999 is 9990202445002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2005442020999 - 2³ = 2005442020991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005442020991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7319131327 + ... + 7319131600.

It is an arithmetic number, because the mean of its divisors is an integer number (505020071016).

Almost surely, 2^{2005442020999} is an apocalyptic number.

2005442020999 is a deficient number, since it is larger than the sum of its proper divisors (14638263065).

2005442020999 is a wasteful number, since it uses less digits than its factorization.

2005442020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638263064.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 2005442020999 in words is "two trillion, five billion, four hundred forty-two million, twenty thousand, nine hundred ninety-nine".