202020233 has 4 divisors (see below), whose sum is σ = 202514580. Its totient is φ = 201525888.

The previous prime is 202020193. The next prime is 202020253. The reversal of 202020233 is 332020202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332020202 = 2 ⋅166010101.

It can be written as a sum of positive squares in 2 ways, for example, as 110397049 + 91623184 = 10507^2 + 9572^2 .

It is a cyclic number.

It is not a de Polignac number, because 202020233 - 2²⁰ = 200971657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246560 + ... + 247377.

It is an arithmetic number, because the mean of its divisors is an integer number (50628645).

Almost surely, 2^202020233 is an apocalyptic number.

It is an amenable number.

202020233 is a deficient number, since it is larger than the sum of its proper divisors (494347).

202020233 is an equidigital number, since it uses as much as digits as its factorization.

202020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494346.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 202020233 is about 14213.3821801850. The cubic root of 202020233 is about 586.7660203561.

Adding to 202020233 its reverse (332020202), we get a palindrome (534040435).

It can be divided in two parts, 2020202 and 33, that multiplied together give a palindrome (66666666).

The spelling of 202020233 in words is "two hundred two million, twenty thousand, two hundred thirty-three".