202155233 has 12 divisors (see below), whose sum is σ = 238141440. Its totient is φ = 171079272.

The previous prime is 202155221. The next prime is 202155251. The reversal of 202155233 is 332551202.

It is not a de Polignac number, because 202155233 - 2²² = 197960929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202155199 and 202155208.

It is not an unprimeable number, because it can be changed into a prime (202155253) 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 11 ways as a sum of consecutive naturals, for example, 22241 + ... + 29982.

It is an arithmetic number, because the mean of its divisors is an integer number (19845120).

Almost surely, 2^202155233 is an apocalyptic number.

It is an amenable number.

202155233 is a deficient number, since it is larger than the sum of its proper divisors (35986207).

202155233 is an equidigital number, since it uses as much as digits as its factorization.

202155233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52316 (or 52309 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 202155233 is about 14218.1304326553. The cubic root of 202155233 is about 586.8966933640.

The spelling of 202155233 in words is "two hundred two million, one hundred fifty-five thousand, two hundred thirty-three".