2002019986 has 16 divisors (see below), whose sum is σ = 3075254424. Its totient is φ = 977127424.

The previous prime is 2002019947. The next prime is 2002020029. The reversal of 2002019986 is 6899102002.

It can be written as a sum of positive squares in 4 ways, for example, as 1983366225 + 18653761 = 44535^2 + 4319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27055 + ... + 68818.

Almost surely, 2^2002019986 is an apocalyptic number.

2002019986 is a deficient number, since it is larger than the sum of its proper divisors (1073234438).

2002019986 is a wasteful number, since it uses less digits than its factorization.

2002019986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96125.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2002019986 is about 44743.9379804684. The cubic root of 2002019986 is about 1260.3450776522.

The spelling of 2002019986 in words is "two billion, two million, nineteen thousand, nine hundred eighty-six".