26887020 has 48 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 7082176.

The previous prime is 26887019. The next prime is 26887039. The reversal of 26887020 is 2078862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^26887020 is an apocalyptic number.

26887020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26887020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38102400).

26887020 is an abundant number, since it is smaller than the sum of its proper divisors (49317780).

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

26887020 is a wasteful number, since it uses less digits than its factorization.

26887020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5492 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 26887020 is about 5185.2695204782. The cubic root of 26887020 is about 299.5809705424.

The spelling of 26887020 in words is "twenty-six million, eight hundred eighty-seven thousand, twenty".