220001344332402 has 64 divisors (see below), whose sum is σ = 472661704944000. Its totient is φ = 68063284827648.

The previous prime is 220001344332359. The next prime is 220001344332433. The reversal of 220001344332402 is 204233443100022.

It is a self number, because there is not a number n which added to its sum of digits gives 220001344332402.

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 31 ways as a sum of consecutive naturals, for example, 98359933 + ... + 100571760.

It is an arithmetic number, because the mean of its divisors is an integer number (7385339139750).

Almost surely, 2^{220001344332402} is an apocalyptic number.

220001344332402 is an abundant number, since it is smaller than the sum of its proper divisors (252660360611598).

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

220001344332402 is a wasteful number, since it uses less digits than its factorization.

220001344332402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198931915.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 220001344332402 its reverse (204233443100022), we get a palindrome (424234787432424).

The spelling of 220001344332402 in words is "two hundred twenty trillion, one billion, three hundred forty-four million, three hundred thirty-two thousand, four hundred two".