26220732 has 48 divisors (see below), whose sum is σ = 65640960. Its totient is φ = 8116992.

The previous prime is 26220707. The next prime is 26220737. The reversal of 26220732 is 23702262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15303 + ... + 16929.

It is an arithmetic number, because the mean of its divisors is an integer number (1367520).

Almost surely, 2^26220732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26220732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32820480).

26220732 is an abundant number, since it is smaller than the sum of its proper divisors (39420228).

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

26220732 is a wasteful number, since it uses less digits than its factorization.

26220732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 26220732 is about 5120.6183220389. The cubic root of 26220732 is about 297.0856015088.

Adding to 26220732 its reverse (23702262), we get a palindrome (49922994).

The spelling of 26220732 in words is "twenty-six million, two hundred twenty thousand, seven hundred thirty-two".