220355403223 has 16 divisors (see below), whose sum is σ = 228922848000. Its totient is φ = 211963752000.

The previous prime is 220355403221. The next prime is 220355403239. The reversal of 220355403223 is 322304553022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220355403223 - 2¹ = 220355403221 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 (220355403221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845878 + ... + 1075276.

It is an arithmetic number, because the mean of its divisors is an integer number (14307678000).

Almost surely, 2^220355403223 is an apocalyptic number.

220355403223 is a deficient number, since it is larger than the sum of its proper divisors (8567444777).

220355403223 is a wasteful number, since it uses less digits than its factorization.

220355403223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229782.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 220355403223 its reverse (322304553022), we get a palindrome (542659956245).

The spelling of 220355403223 in words is "two hundred twenty billion, three hundred fifty-five million, four hundred three thousand, two hundred twenty-three".