26197020 has 120 divisors (see below), whose sum is σ = 83507424. Its totient is φ = 6873984.

The previous prime is 26197009. The next prime is 26197021. The reversal of 26197020 is 2079162.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26197021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 166782 + ... + 166938.

Almost surely, 2^26197020 is an apocalyptic number.

26197020 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 26197020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41753712).

26197020 is an abundant number, since it is smaller than the sum of its proper divisors (57310404).

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

26197020 is a wasteful number, since it uses less digits than its factorization.

26197020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 26197020 is about 5118.3024529623. The cubic root of 26197020 is about 296.9960207609.

The spelling of 26197020 in words is "twenty-six million, one hundred ninety-seven thousand, twenty".