20033131133203 has 4 divisors (see below), whose sum is σ = 20033190641088. Its totient is φ = 20033071625320.

The previous prime is 20033131133161. The next prime is 20033131133297. The reversal of 20033131133203 is 30233113133002.

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

It is a cyclic number.

It is not a de Polignac number, because 20033131133203 - 2²⁵ = 20033097578771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033131143203) 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, 29246083 + ... + 29923228.

It is an arithmetic number, because the mean of its divisors is an integer number (5008297660272).

Almost surely, 2^{20033131133203} is an apocalyptic number.

20033131133203 is a deficient number, since it is larger than the sum of its proper divisors (59507885).

20033131133203 is an equidigital number, since it uses as much as digits as its factorization.

20033131133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59507884.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20033131133203 its reverse (30233113133002), we get a palindrome (50266244266205).

The spelling of 20033131133203 in words is "twenty trillion, thirty-three billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred three".