20413321444204 has 24 divisors (see below), whose sum is σ = 38475735450768. Its totient is φ = 9420436858560.

The previous prime is 20413321444199. The next prime is 20413321444259. The reversal of 20413321444204 is 40244412331402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413321444204.

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 7 ways as a sum of consecutive naturals, for example, 22384402 + ... + 23278489.

It is an arithmetic number, because the mean of its divisors is an integer number (1603155643782).

Almost surely, 2^{20413321444204} is an apocalyptic number.

It is an amenable number.

20413321444204 is a deficient number, since it is larger than the sum of its proper divisors (18062414006564).

20413321444204 is a wasteful number, since it uses less digits than its factorization.

20413321444204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45671505 (or 45671503 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20413321444204 its reverse (40244412331402), we get a palindrome (60657733775606).

The spelling of 20413321444204 in words is "twenty trillion, four hundred thirteen billion, three hundred twenty-one million, four hundred forty-four thousand, two hundred four".