26151020 has 24 divisors (see below), whose sum is σ = 62762784. Its totient is φ = 8966016.

The previous prime is 26151017. The next prime is 26151079. The reversal of 26151020 is 2015162.

It is a self number, because there is not a number n which added to its sum of digits gives 26151020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93257 + ... + 93536.

It is an arithmetic number, because the mean of its divisors is an integer number (2615116).

Almost surely, 2^26151020 is an apocalyptic number.

26151020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26151020 is an abundant number, since it is smaller than the sum of its proper divisors (36611764).

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

26151020 is a wasteful number, since it uses less digits than its factorization.

26151020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186809 (or 186807 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 26151020 is about 5113.8068012001. The cubic root of 26151020 is about 296.8220846778.

Adding to 26151020 its reverse (2015162), we get a palindrome (28166182).

The spelling of 26151020 in words is "twenty-six million, one hundred fifty-one thousand, twenty".