26289020 has 12 divisors (see below), whose sum is σ = 55206984. Its totient is φ = 10515600.

The previous prime is 26289017. The next prime is 26289031. The reversal of 26289020 is 2098262.

It is a happy number.

It is a super-2 number, since 2×26289020² = 1382225145120800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657206 + ... + 657245.

It is an arithmetic number, because the mean of its divisors is an integer number (4600582).

Almost surely, 2^26289020 is an apocalyptic number.

26289020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26289020 is an abundant number, since it is smaller than the sum of its proper divisors (28917964).

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

26289020 is a wasteful number, since it uses less digits than its factorization.

26289020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314460 (or 1314458 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 26289020 is about 5127.2819310040. The cubic root of 26289020 is about 297.3432830407.

The spelling of 26289020 in words is "twenty-six million, two hundred eighty-nine thousand, twenty".