2002019976 has 160 divisors (see below), whose sum is σ = 6283442880. Its totient is φ = 590198400.

The previous prime is 2002019947. The next prime is 2002020029. The reversal of 2002019976 is 6799102002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2002019976.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 259941 + ... + 267531.

It is an arithmetic number, because the mean of its divisors is an integer number (39271518).

Almost surely, 2^2002019976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002019976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141721440).

2002019976 is an abundant number, since it is smaller than the sum of its proper divisors (4281422904).

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

2002019976 is a wasteful number, since it uses less digits than its factorization.

2002019976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657 (or 7644 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2002019976 is about 44743.9378687214. The cubic root of 2002019976 is about 1260.3450755537.

The spelling of 2002019976 in words is "two billion, two million, nineteen thousand, nine hundred seventy-six".