2002102019 has 8 divisors (see below), whose sum is σ = 2141728848. Its totient is φ = 1864903680.

The previous prime is 2002102009. The next prime is 2002102043. The reversal of 2002102019 is 9102012002.

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 2002102019 - 2²⁸ = 1733666563 is a prime.

It is a super-2 number, since 2×2002102019² = 8016824988967752722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002101988 and 2002102006.

It is not an unprimeable number, because it can be changed into a prime (2002102009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605417 + ... + 608714.

It is an arithmetic number, because the mean of its divisors is an integer number (267716106).

Almost surely, 2^2002102019 is an apocalyptic number.

2002102019 is a deficient number, since it is larger than the sum of its proper divisors (139626829).

2002102019 is a wasteful number, since it uses less digits than its factorization.

2002102019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214245.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2002102019 is about 44744.8546650897. The cubic root of 2002102019 is about 1260.3622916788.

The spelling of 2002102019 in words is "two billion, two million, one hundred two thousand, nineteen".