20205322240004 has 24 divisors (see below), whose sum is σ = 38574353028288. Its totient is φ = 9184104995040.

The previous prime is 20205322239983. The next prime is 20205322240031. The reversal of 20205322240004 is 40004222350202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189464 + ... + 6359759.

It is an arithmetic number, because the mean of its divisors is an integer number (1607264709512).

Almost surely, 2^{20205322240004} is an apocalyptic number.

It is an amenable number.

20205322240004 is a deficient number, since it is larger than the sum of its proper divisors (18369030788284).

20205322240004 is a wasteful number, since it uses less digits than its factorization.

20205322240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619355 (or 6619353 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20205322240004 its reverse (40004222350202), we get a palindrome (60209544590206).

The spelling of 20205322240004 in words is "twenty trillion, two hundred five billion, three hundred twenty-two million, two hundred forty thousand, four".