26425220 has 24 divisors (see below), whose sum is σ = 56785344. Its totient is φ = 10323936.

The previous prime is 26425213. The next prime is 26425247. The reversal of 26425220 is 2252462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14504 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (2366056).

Almost surely, 2^26425220 is an apocalyptic number.

26425220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26425220 is an abundant number, since it is smaller than the sum of its proper divisors (30360124).

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

26425220 is a wasteful number, since it uses less digits than its factorization.

26425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30779 (or 30777 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 26425220 is about 5140.5466635369. The cubic root of 26425220 is about 297.8558977774.

Adding to 26425220 its reverse (2252462), we get a palindrome (28677682).

The spelling of 26425220 in words is "twenty-six million, four hundred twenty-five thousand, two hundred twenty".