202023242 has 4 divisors (see below), whose sum is σ = 303034866. Its totient is φ = 101011620.

The previous prime is 202023209. The next prime is 202023247. The reversal of 202023242 is 242320202.

202023242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 151314601 + 50708641 = 12301^2 + 7121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202023242.

It is not an unprimeable number, because it can be changed into a prime (202023247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505809 + ... + 50505812.

Almost surely, 2^202023242 is an apocalyptic number.

202023242 is a deficient number, since it is larger than the sum of its proper divisors (101011624).

202023242 is a wasteful number, since it uses less digits than its factorization.

202023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011623.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202023242 is about 14213.4880307404. The cubic root of 202023242 is about 586.7689335465.

Adding to 202023242 its reverse (242320202), we get a palindrome (444343444).

The spelling of 202023242 in words is "two hundred two million, twenty-three thousand, two hundred forty-two".