20404437022223 has 4 divisors (see below), whose sum is σ = 20408224745640. Its totient is φ = 20400649298808.

The previous prime is 20404437022213. The next prime is 20404437022267. The reversal of 20404437022223 is 32222073440402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20404437022223 - 2⁴⁴ = 2812250977807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404437022213) 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 3 ways as a sum of consecutive naturals, for example, 1893853628 + ... + 1893864401.

It is an arithmetic number, because the mean of its divisors is an integer number (5102056186410).

Almost surely, 2^{20404437022223} is an apocalyptic number.

20404437022223 is a deficient number, since it is larger than the sum of its proper divisors (3787723417).

20404437022223 is an equidigital number, since it uses as much as digits as its factorization.

20404437022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787723416.

The product of its (nonzero) digits is 129024, while the sum is 35.

The spelling of 20404437022223 in words is "twenty trillion, four hundred four billion, four hundred thirty-seven million, twenty-two thousand, two hundred twenty-three".