26210420 has 24 divisors (see below), whose sum is σ = 55311648. Its totient is φ = 10432800.

The previous prime is 26210417. The next prime is 26210423. The reversal of 26210420 is 2401262.

It is an interprime number because it is at equal distance from previous prime (26210417) and next prime (26210423).

It is a super-2 number, since 2×26210420² = 1373972233152800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26210423) 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, 1115 + ... + 7325.

It is an arithmetic number, because the mean of its divisors is an integer number (2304652).

Almost surely, 2^26210420 is an apocalyptic number.

26210420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26210420 is an abundant number, since it is smaller than the sum of its proper divisors (29101228).

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

26210420 is a wasteful number, since it uses less digits than its factorization.

26210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431 (or 6429 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 26210420 is about 5119.6113133714. The cubic root of 26210420 is about 297.0466507984.

Adding to 26210420 its reverse (2401262), we get a palindrome (28611682).

The spelling of 26210420 in words is "twenty-six million, two hundred ten thousand, four hundred twenty".