20001022213304 has 64 divisors (see below), whose sum is σ = 43112601838080. Its totient is φ = 8609996560000.

The previous prime is 20001022213303. The next prime is 20001022213307. The reversal of 20001022213304 is 40331222010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001022213303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48716012 + ... + 49124859.

It is an arithmetic number, because the mean of its divisors is an integer number (673634403720).

Almost surely, 2^{20001022213304} is an apocalyptic number.

It is an amenable number.

20001022213304 is an abundant number, since it is smaller than the sum of its proper divisors (23111579624776).

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

20001022213304 is a wasteful number, since it uses less digits than its factorization.

20001022213304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97841012 (or 97841008 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20001022213304 its reverse (40331222010002), we get a palindrome (60332244223306).

The spelling of 20001022213304 in words is "twenty trillion, one billion, twenty-two million, two hundred thirteen thousand, three hundred four".