2002840402 has 4 divisors (see below), whose sum is σ = 3004260606. Its totient is φ = 1001420200.

The previous prime is 2002840393. The next prime is 2002840417. The reversal of 2002840402 is 2040482002.

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

It can be written as a sum of positive squares in only one way, i.e., 1269568161 + 733272241 = 35631^2 + 27079^2 .

It is a super-2 number, since 2×2002840402² = 8022739351767043208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500710099 + ... + 500710102.

Almost surely, 2^2002840402 is an apocalyptic number.

2002840402 is a deficient number, since it is larger than the sum of its proper divisors (1001420204).

2002840402 is a wasteful number, since it uses less digits than its factorization.

2002840402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001420203.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2002840402 is about 44753.1049425624. The cubic root of 2002840402 is about 1260.5172148042.

The spelling of 2002840402 in words is "two billion, two million, eight hundred forty thousand, four hundred two".