1000202002013 has 4 divisors (see below), whose sum is σ = 1000204465788. Its totient is φ = 1000199538240.

The previous prime is 1000202002001. The next prime is 1000202002039. The reversal of 1000202002013 is 3102002020001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 243298522009 + 756903480004 = 493253^2 + 870002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000202002013 - 2¹² = 1000201997917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000202001985 and 1000202002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000202002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462956 + ... + 1488197.

It is an arithmetic number, because the mean of its divisors is an integer number (250051116447).

Almost surely, 2^{1000202002013} is an apocalyptic number.

It is an amenable number.

1000202002013 is a deficient number, since it is larger than the sum of its proper divisors (2463775).

1000202002013 is an equidigital number, since it uses as much as digits as its factorization.

1000202002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463774.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1000202002013 its reverse (3102002020001), we get a palindrome (4102204022014).

The spelling of 1000202002013 in words is "one trillion, two hundred two million, two thousand, thirteen".