20203033033313 has 4 divisors (see below), whose sum is σ = 21757112497428. Its totient is φ = 18648953569200.

The previous prime is 20203033033283. The next prime is 20203033033357. The reversal of 20203033033313 is 31333033030202.

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 11937080280064 + 8265952753249 = 3455008^2 + 2875057^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203033033313 - 2³⁴ = 20185853164129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203033033013) 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, 777039732038 + ... + 777039732063.

It is an arithmetic number, because the mean of its divisors is an integer number (5439278124357).

Almost surely, 2^{20203033033313} is an apocalyptic number.

It is an amenable number.

20203033033313 is a deficient number, since it is larger than the sum of its proper divisors (1554079464115).

20203033033313 is a wasteful number, since it uses less digits than its factorization.

20203033033313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554079464114.

The product of its (nonzero) digits is 8748, while the sum is 26.

Adding to 20203033033313 its reverse (31333033030202), we get a palindrome (51536066063515).

The spelling of 20203033033313 in words is "twenty trillion, two hundred three billion, thirty-three million, thirty-three thousand, three hundred thirteen".