19202002002 has 24 divisors (see below), whose sum is σ = 41609814480. Its totient is φ = 6399824760.

The previous prime is 19202001967. The next prime is 19202002069. The reversal of 19202002002 is 20020020291.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78877 + ... + 211247.

It is an arithmetic number, because the mean of its divisors is an integer number (1733742270).

Almost surely, 2^19202002002 is an apocalyptic number.

19202002002 is an abundant number, since it is smaller than the sum of its proper divisors (22407812478).

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

19202002002 is a wasteful number, since it uses less digits than its factorization.

19202002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140438 (or 140435 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 19202002002 its reverse (20020020291), we get a palindrome (39222022293).

The spelling of 19202002002 in words is "nineteen billion, two hundred two million, two thousand, two".