202342434402 has 64 divisors (see below), whose sum is σ = 411559948800. Its totient is φ = 66309684480.

The previous prime is 202342434379. The next prime is 202342434403. The reversal of 202342434402 is 204434243202.

It is a self number, because there is not a number n which added to its sum of digits gives 202342434402.

It is not an unprimeable number, because it can be changed into a prime (202342434403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181147548 + ... + 181148664.

It is an arithmetic number, because the mean of its divisors is an integer number (6430624200).

Almost surely, 2^202342434402 is an apocalyptic number.

202342434402 is an abundant number, since it is smaller than the sum of its proper divisors (209217514398).

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

202342434402 is a wasteful number, since it uses less digits than its factorization.

202342434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 202342434402 its reverse (204434243202), we get a palindrome (406776677604).

The spelling of 202342434402 in words is "two hundred two billion, three hundred forty-two million, four hundred thirty-four thousand, four hundred two".