202442442402 has 16 divisors (see below), whose sum is σ = 404891496000. Its totient is φ = 67479712272.

The previous prime is 202442442361. The next prime is 202442442403. The reversal of 202442442402 is 204244244202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202442442402.

It is not an unprimeable number, because it can be changed into a prime (202442442403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180724 + ... + 661472.

It is an arithmetic number, because the mean of its divisors is an integer number (25305718500).

Almost surely, 2^202442442402 is an apocalyptic number.

202442442402 is an abundant number, since it is smaller than the sum of its proper divisors (202449053598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202442442402 is a wasteful number, since it uses less digits than its factorization.

202442442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550937.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 202442442402 its reverse (204244244202), we get a palindrome (406686686604).

The spelling of 202442442402 in words is "two hundred two billion, four hundred forty-two million, four hundred forty-two thousand, four hundred two".