30020226231866 has 16 divisors (see below), whose sum is σ = 51346812288744. Its totient is φ = 13040460263424.

The previous prime is 30020226231851. The next prime is 30020226231869. The reversal of 30020226231866 is 66813262202003.

It can be written as a sum of positive squares in 4 ways, for example, as 26790675792841 + 3229550439025 = 5175971^2 + 1797095^2 .

It is not an unprimeable number, because it can be changed into a prime (30020226231869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33959531495 + ... + 33959532378.

Almost surely, 2^{30020226231866} is an apocalyptic number.

30020226231866 is a deficient number, since it is larger than the sum of its proper divisors (21326586056878).

30020226231866 is a wasteful number, since it uses less digits than its factorization.

30020226231866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67919063905.

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 30020226231866 its reverse (66813262202003), we get a palindrome (96833488433869).

The spelling of 30020226231866 in words is "thirty trillion, twenty billion, two hundred twenty-six million, two hundred thirty-one thousand, eight hundred sixty-six".