1002202020242 has 8 divisors (see below), whose sum is σ = 1503309089100. Its totient is φ = 501098990544.

The previous prime is 1002202020241. The next prime is 1002202020257. The reversal of 1002202020242 is 2420202022001.

It can be written as a sum of positive squares in 2 ways, for example, as 916593697321 + 85608322921 = 957389^2 + 292589^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002202020242.

It is not an unprimeable number, because it can be changed into a prime (1002202020241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285617 + ... + 1444292.

Almost surely, 2^{1002202020242} is an apocalyptic number.

1002202020242 is a deficient number, since it is larger than the sum of its proper divisors (501107068858).

1002202020242 is a wasteful number, since it uses less digits than its factorization.

1002202020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019580.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1002202020242 its reverse (2420202022001), we get a palindrome (3422404042243).

The spelling of 1002202020242 in words is "one trillion, two billion, two hundred two million, twenty thousand, two hundred forty-two".