26286020 has 12 divisors (see below), whose sum is σ = 55200684. Its totient is φ = 10514400.

The previous prime is 26286011. The next prime is 26286037. The reversal of 26286020 is 2068262.

It can be written as a sum of positive squares in 2 ways, for example, as 2937796 + 23348224 = 1714^2 + 4832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657131 + ... + 657170.

It is an arithmetic number, because the mean of its divisors is an integer number (4600057).

Almost surely, 2^26286020 is an apocalyptic number.

26286020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26286020 is an abundant number, since it is smaller than the sum of its proper divisors (28914664).

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

26286020 is a wasteful number, since it uses less digits than its factorization.

26286020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314310 (or 1314308 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 26286020 is about 5126.9893699909. The cubic root of 26286020 is about 297.3319720601.

The spelling of 26286020 in words is "twenty-six million, two hundred eighty-six thousand, twenty".