26271103220 has 24 divisors (see below), whose sum is σ = 55227246984. Its totient is φ = 10497406976.

The previous prime is 26271103189. The next prime is 26271103231. The reversal of 26271103220 is 2230117262.

It can be written as a sum of positive squares in 4 ways, for example, as 64673764 + 26206429456 = 8042^2 + 161884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26271103220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670109 + ... + 708228.

It is an arithmetic number, because the mean of its divisors is an integer number (2301135291).

Almost surely, 2^26271103220 is an apocalyptic number.

26271103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26271103220 is an abundant number, since it is smaller than the sum of its proper divisors (28956143764).

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

26271103220 is a wasteful number, since it uses less digits than its factorization.

26271103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379299 (or 1379297 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 26271103220 in words is "twenty-six billion, two hundred seventy-one million, one hundred three thousand, two hundred twenty".