202152242 has 4 divisors (see below), whose sum is σ = 303228366. Its totient is φ = 101076120.

The previous prime is 202152241. The next prime is 202152259. The reversal of 202152242 is 242251202.

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., 134073241 + 68079001 = 11579^2 + 8251^2 .

It is not an unprimeable number, because it can be changed into a prime (202152241) 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 as a sum of consecutive naturals, namely, 50538059 + ... + 50538062.

Almost surely, 2^202152242 is an apocalyptic number.

202152242 is a deficient number, since it is larger than the sum of its proper divisors (101076124).

202152242 is a wasteful number, since it uses less digits than its factorization.

202152242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101076123.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 202152242 is about 14218.0252496611. The cubic root of 202152242 is about 586.8937988612.

The spelling of 202152242 in words is "two hundred two million, one hundred fifty-two thousand, two hundred forty-two".