202124230442 has 8 divisors (see below), whose sum is σ = 305967872100. Its totient is φ = 100134939744.

The previous prime is 202124230409. The next prime is 202124230463. The reversal of 202124230442 is 244032421202.

It can be written as a sum of positive squares in 2 ways, for example, as 181894573081 + 20229657361 = 426491^2 + 142231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463587467 + ... + 463587902.

Almost surely, 2^202124230442 is an apocalyptic number.

202124230442 is a deficient number, since it is larger than the sum of its proper divisors (103843641658).

202124230442 is a wasteful number, since it uses less digits than its factorization.

202124230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927175480.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202124230442 its reverse (244032421202), we get a palindrome (446156651644).

The spelling of 202124230442 in words is "two hundred two billion, one hundred twenty-four million, two hundred thirty thousand, four hundred forty-two".