220155358443 has 4 divisors (see below), whose sum is σ = 293540477928. Its totient is φ = 146770238960.

The previous prime is 220155358387. The next prime is 220155358447. The reversal of 220155358443 is 344853551022.

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 220155358443 - 2⁸ = 220155358187 is a prime.

It is a super-2 number, since 2×220155358443² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220155358395 and 220155358404.

It is not an unprimeable number, because it can be changed into a prime (220155358447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36692559738 + ... + 36692559743.

It is an arithmetic number, because the mean of its divisors is an integer number (73385119482).

Almost surely, 2^220155358443 is an apocalyptic number.

220155358443 is a deficient number, since it is larger than the sum of its proper divisors (73385119485).

220155358443 is an equidigital number, since it uses as much as digits as its factorization.

220155358443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73385119484.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 220155358443 in words is "two hundred twenty billion, one hundred fifty-five million, three hundred fifty-eight thousand, four hundred forty-three".