26286220 has 24 divisors (see below), whose sum is σ = 55340208. Its totient is φ = 10488000.

The previous prime is 26286203. The next prime is 26286229. The reversal of 26286220 is 2268262.

It is not an unprimeable number, because it can be changed into a prime (26286229) 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, 7795 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (2305842).

Almost surely, 2^26286220 is an apocalyptic number.

26286220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26286220 is an abundant number, since it is smaller than the sum of its proper divisors (29053988).

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

26286220 is a wasteful number, since it uses less digits than its factorization.

26286220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26286220 is about 5127.0088745778. The cubic root of 26286220 is about 297.3327261523.

The spelling of 26286220 in words is "twenty-six million, two hundred eighty-six thousand, two hundred twenty".