2002019985 has 48 divisors (see below), whose sum is σ = 3970976256. Its totient is φ = 914039424.

The previous prime is 2002019947. The next prime is 2002020029. The reversal of 2002019985 is 5899102002.

It is not a de Polignac number, because 2002019985 - 2⁸ = 2002019729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272632 + ... + 279878.

It is an arithmetic number, because the mean of its divisors is an integer number (82728672).

Almost surely, 2^2002019985 is an apocalyptic number.

It is an amenable number.

2002019985 is a deficient number, since it is larger than the sum of its proper divisors (1968956271).

2002019985 is a wasteful number, since it uses less digits than its factorization.

2002019985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142 (or 8139 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 2002019985 is about 44743.9379692937. The cubic root of 2002019985 is about 1260.3450774423.

The spelling of 2002019985 in words is "two billion, two million, nineteen thousand, nine hundred eighty-five".