26315020 has 24 divisors (see below), whose sum is σ = 55508544. Its totient is φ = 10478976.

The previous prime is 26315017. The next prime is 26315021. The reversal of 26315020 is 2051362.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26315021) 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, 1837 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (2312856).

Almost surely, 2^26315020 is an apocalyptic number.

26315020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26315020 is an abundant number, since it is smaller than the sum of its proper divisors (29193524).

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

26315020 is a wasteful number, since it uses less digits than its factorization.

26315020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 26315020 is about 5129.8167608600. The cubic root of 26315020 is about 297.4412755120.

Adding to 26315020 its reverse (2051362), we get a palindrome (28366382).

The spelling of 26315020 in words is "twenty-six million, three hundred fifteen thousand, twenty".