2001900982 has 4 divisors (see below), whose sum is σ = 3002851476. Its totient is φ = 1000950490.

The previous prime is 2001900961. The next prime is 2001901007. The reversal of 2001900982 is 2890091002.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500475244 + ... + 500475247.

It is an arithmetic number, because the mean of its divisors is an integer number (750712869).

Almost surely, 2^2001900982 is an apocalyptic number.

2001900982 is a deficient number, since it is larger than the sum of its proper divisors (1000950494).

2001900982 is a wasteful number, since it uses less digits than its factorization.

2001900982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000950493.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2001900982 is about 44742.6081269297. The cubic root of 2001900982 is about 1260.3201046951.

Adding to 2001900982 its reverse (2890091002), we get a palindrome (4891991984).

The spelling of 2001900982 in words is "two billion, one million, nine hundred thousand, nine hundred eighty-two".