20203322002013 has 4 divisors (see below), whose sum is σ = 20534524002108. Its totient is φ = 19872120001920.

The previous prime is 20203322001977. The next prime is 20203322002037. The reversal of 20203322002013 is 31020022330202.

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 8606695436089 + 11596626565924 = 2933717^2 + 3405382^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203322002013 - 2²⁴ = 20203305224797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203322002093) 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, 165600999956 + ... + 165601000077.

It is an arithmetic number, because the mean of its divisors is an integer number (5133631000527).

Almost surely, 2^{20203322002013} is an apocalyptic number.

It is an amenable number.

20203322002013 is a deficient number, since it is larger than the sum of its proper divisors (331202000095).

20203322002013 is an equidigital number, since it uses as much as digits as its factorization.

20203322002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331202000094.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20203322002013 its reverse (31020022330202), we get a palindrome (51223344332215).

The spelling of 20203322002013 in words is "twenty trillion, two hundred three billion, three hundred twenty-two million, two thousand, thirteen".