2003520016 has 10 divisors (see below), whose sum is σ = 3881820062. Its totient is φ = 1001760000.

The previous prime is 2003519977. The next prime is 2003520017. The reversal of 2003520016 is 6100253002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1656815616 + 346704400 = 40704^2 + 18620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2003519975 and 2003520002.

It is not an unprimeable number, because it can be changed into a prime (2003520017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62609985 + ... + 62610016.

Almost surely, 2^2003520016 is an apocalyptic number.

It is an amenable number.

2003520016 is a deficient number, since it is larger than the sum of its proper divisors (1878300046).

2003520016 is a wasteful number, since it uses less digits than its factorization.

2003520016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125220009 (or 125220003 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2003520016 is about 44760.6972242390. The cubic root of 2003520016 is about 1260.6597737200.

Adding to 2003520016 its reverse (6100253002), we get a palindrome (8103773018).

The spelling of 2003520016 in words is "two billion, three million, five hundred twenty thousand, sixteen".