20202003313 has 8 divisors (see below), whose sum is σ = 20262128040. Its totient is φ = 20141950080.

The previous prime is 20202003299. The next prime is 20202003323. The reversal of 20202003313 is 31330020202.

It can be written as a sum of positive squares in 4 ways, for example, as 5064884224 + 15137119089 = 71168^2 + 123033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20202003313 - 2⁵ = 20202003281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202003323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577231 + ... + 611227.

It is an arithmetic number, because the mean of its divisors is an integer number (2532766005).

Almost surely, 2^20202003313 is an apocalyptic number.

It is an amenable number.

20202003313 is a deficient number, since it is larger than the sum of its proper divisors (60124727).

20202003313 is a wasteful number, since it uses less digits than its factorization.

20202003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35747.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20202003313 its reverse (31330020202), we get a palindrome (51532023515).

The spelling of 20202003313 in words is "twenty billion, two hundred two million, three thousand, three hundred thirteen".