26066422220 has 12 divisors (see below), whose sum is σ = 54739486704. Its totient is φ = 10426568880.

The previous prime is 26066422153. The next prime is 26066422223. The reversal of 26066422220 is 2222466062.

It is not an unprimeable number, because it can be changed into a prime (26066422223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651660536 + ... + 651660575.

It is an arithmetic number, because the mean of its divisors is an integer number (4561623892).

Almost surely, 2^26066422220 is an apocalyptic number.

26066422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26066422220 is an abundant number, since it is smaller than the sum of its proper divisors (28673064484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26066422220 is a wasteful number, since it uses less digits than its factorization.

26066422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303321120 (or 1303321118 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 26066422220 its reverse (2222466062), we get a palindrome (28288888282).

The spelling of 26066422220 in words is "twenty-six billion, sixty-six million, four hundred twenty-two thousand, two hundred twenty".