2002120519 has 4 divisors (see below), whose sum is σ = 2288137744. Its totient is φ = 1716103296.

The previous prime is 2002120513. The next prime is 2002120541. The reversal of 2002120519 is 9150212002.

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 2002120519 - 2³ = 2002120511 is a prime.

It is a super-2 number, since 2×2002120519² = 8016973145201658722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002120519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002120511) 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, 143008602 + ... + 143008615.

It is an arithmetic number, because the mean of its divisors is an integer number (572034436).

Almost surely, 2^2002120519 is an apocalyptic number.

2002120519 is a deficient number, since it is larger than the sum of its proper divisors (286017225).

2002120519 is an equidigital number, since it uses as much as digits as its factorization.

2002120519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286017224.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2002120519 is about 44745.0613922922. The cubic root of 2002120519 is about 1260.3661737038.

The spelling of 2002120519 in words is "two billion, two million, one hundred twenty thousand, five hundred nineteen".