2102402002 has 8 divisors (see below), whose sum is σ = 3339109116. Its totient is φ = 989365632.

The previous prime is 2102401999. The next prime is 2102402017. The reversal of 2102402002 is 2002042012.

It can be written as a sum of positive squares in 2 ways, for example, as 1750501921 + 351900081 = 41839^2 + 18759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30917643 + ... + 30917710.

Almost surely, 2^2102402002 is an apocalyptic number.

2102402002 is a deficient number, since it is larger than the sum of its proper divisors (1236707114).

2102402002 is a wasteful number, since it uses less digits than its factorization.

2102402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61835372.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2102402002 is about 45851.9574500370. The cubic root of 2102402002 is about 1281.0672255733.

Adding to 2102402002 its reverse (2002042012), we get a palindrome (4104444014).

The spelling of 2102402002 in words is "two billion, one hundred two million, four hundred two thousand, two".