2120203133 has 4 divisors (see below), whose sum is σ = 2123628960. Its totient is φ = 2116777308.

The previous prime is 2120203117. The next prime is 2120203139. The reversal of 2120203133 is 3313020212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120203133 - 2⁴ = 2120203117 is a prime.

It is a super-2 number, since 2×2120203133² = 8990522650366031378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120203139) 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, 1711985 + ... + 1713222.

It is an arithmetic number, because the mean of its divisors is an integer number (530907240).

Almost surely, 2^2120203133 is an apocalyptic number.

It is an amenable number.

2120203133 is a deficient number, since it is larger than the sum of its proper divisors (3425827).

2120203133 is an equidigital number, since it uses as much as digits as its factorization.

2120203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425826.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2120203133 is about 46045.6635634671. The cubic root of 2120203133 is about 1284.6726864465.

Adding to 2120203133 its reverse (3313020212), we get a palindrome (5433223345).

The spelling of 2120203133 in words is "two billion, one hundred twenty million, two hundred three thousand, one hundred thirty-three".