2003402116 has 12 divisors (see below), whose sum is σ = 3509394700. Its totient is φ = 1000717920.

The previous prime is 2003402087. The next prime is 2003402117. The reversal of 2003402116 is 6112043002.

It can be written as a sum of positive squares in 2 ways, for example, as 637360516 + 1366041600 = 25246^2 + 36960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2003402093 and 2003402102.

It is not an unprimeable number, because it can be changed into a prime (2003402117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241191 + ... + 249358.

Almost surely, 2^2003402116 is an apocalyptic number.

It is an amenable number.

2003402116 is a deficient number, since it is larger than the sum of its proper divisors (1505992584).

2003402116 is a wasteful number, since it uses less digits than its factorization.

2003402116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491574 (or 491572 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2003402116 is about 44759.3802012494. The cubic root of 2003402116 is about 1260.6350447926.

Adding to 2003402116 its reverse (6112043002), we get a palindrome (8115445118).

The spelling of 2003402116 in words is "two billion, three million, four hundred two thousand, one hundred sixteen".