203020323121033 has 8 divisors (see below), whose sum is σ = 229113844274880. Its totient is φ = 178199656657680.

The previous prime is 203020323121003. The next prime is 203020323121061. The reversal of 203020323121033 is 330121323020302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203020323121033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203020323120989 and 203020323121007.

It is not an unprimeable number, because it can be changed into a prime (203020323121003) 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, 318213672285 + ... + 318213672922.

It is an arithmetic number, because the mean of its divisors is an integer number (28639230534360).

Almost surely, 2^{203020323121033} is an apocalyptic number.

It is an amenable number.

203020323121033 is a deficient number, since it is larger than the sum of its proper divisors (26093521153847).

203020323121033 is a wasteful number, since it uses less digits than its factorization.

203020323121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636427345247.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203020323121033 its reverse (330121323020302), we get a palindrome (533141646141335).

The spelling of 203020323121033 in words is "two hundred three trillion, twenty billion, three hundred twenty-three million, one hundred twenty-one thousand, thirty-three".