2120205033 has 6 divisors (see below), whose sum is σ = 3062518394. Its totient is φ = 1413470016.

The previous prime is 2120205023. The next prime is 2120205049. The reversal of 2120205033 is 3305020212.

It can be written as a sum of positive squares in only one way, i.e., 1263589209 + 856615824 = 35547^2 + 29268^2 .

It is not a de Polignac number, because 2120205033 - 2²⁴ = 2103427817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120204997 and 2120205015.

It is not an unprimeable number, because it can be changed into a prime (2120205023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117789160 + ... + 117789177.

Almost surely, 2^2120205033 is an apocalyptic number.

It is an amenable number.

2120205033 is a deficient number, since it is larger than the sum of its proper divisors (942313361).

2120205033 is a wasteful number, since it uses less digits than its factorization.

2120205033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235578343 (or 235578340 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2120205033 is about 46045.6841951556. The cubic root of 2120205033 is about 1284.6730701955.

Adding to 2120205033 its reverse (3305020212), we get a palindrome (5425225245).

The spelling of 2120205033 in words is "two billion, one hundred twenty million, two hundred five thousand, thirty-three".