20316400202223 has 10 divisors (see below), whose sum is σ = 30349190425664. Its totient is φ = 13544266801428.

The previous prime is 20316400202221. The next prime is 20316400202237. The reversal of 20316400202223 is 32220200461302.

It is a happy number.

20316400202223 is a `hidden beast` number, since 2 + 0 + 3 + 16 + 400 + 20 + 2 + 223 = 666.

It is not a de Polignac number, because 20316400202223 - 2¹ = 20316400202221 is a prime.

It is a super-2 number, since 2×20316400202223² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20316400202221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 125409877711 + ... + 125409877872.

Almost surely, 2^{20316400202223} is an apocalyptic number.

20316400202223 is a deficient number, since it is larger than the sum of its proper divisors (10032790223441).

20316400202223 is an equidigital number, since it uses as much as digits as its factorization.

20316400202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250819755595 (or 250819755586 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20316400202223 its reverse (32220200461302), we get a palindrome (52536600663525).

The spelling of 20316400202223 in words is "twenty trillion, three hundred sixteen billion, four hundred million, two hundred two thousand, two hundred twenty-three".