2002019946 has 16 divisors (see below), whose sum is σ = 4004702208. Its totient is φ = 667229600.

The previous prime is 2002019941. The next prime is 2002019947. The reversal of 2002019946 is 6499102002.

It is not an unprimeable number, because it can be changed into a prime (2002019941) 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, 17326 + ... + 65606.

It is an arithmetic number, because the mean of its divisors is an integer number (250293888).

Almost surely, 2^2002019946 is an apocalyptic number.

2002019946 is an abundant number, since it is smaller than the sum of its proper divisors (2002682262).

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

2002019946 is a wasteful number, since it uses less digits than its factorization.

2002019946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55197.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2002019946 is about 44743.9375334804. The cubic root of 2002019946 is about 1260.3450692584.

The spelling of 2002019946 in words is "two billion, two million, nineteen thousand, nine hundred forty-six".