26022720 has 56 divisors (see below), whose sum is σ = 82625184. Its totient is φ = 6939136.

The previous prime is 26022719. The next prime is 26022779. The reversal of 26022720 is 2722062.

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, 12594 + ... + 14513.

Almost surely, 2^26022720 is an apocalyptic number.

26022720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26022720 is an abundant number, since it is smaller than the sum of its proper divisors (56602464).

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

26022720 is a wasteful number, since it uses less digits than its factorization.

26022720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27127 (or 27117 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 26022720 is about 5101.2469063946. The cubic root of 26022720 is about 296.3358739107.

Adding to 26022720 its reverse (2722062), we get a palindrome (28744782).

The spelling of 26022720 in words is "twenty-six million, twenty-two thousand, seven hundred twenty".