20266326 has 12 divisors (see below), whose sum is σ = 43910412. Its totient is φ = 6755436.

The previous prime is 20266313. The next prime is 20266327. The reversal of 20266326 is 62366202.

It is a happy number.

20266326 is a `hidden beast` number, since 2 + 0 + 26 + 632 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20266326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20266327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562936 + ... + 562971.

It is an arithmetic number, because the mean of its divisors is an integer number (3659201).

Almost surely, 2^20266326 is an apocalyptic number.

20266326 is an abundant number, since it is smaller than the sum of its proper divisors (23644086).

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

20266326 is a wasteful number, since it uses less digits than its factorization.

20266326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125915 (or 1125912 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 20266326 is about 4501.8136345255. The cubic root of 20266326 is about 272.6413193985.

The spelling of 20266326 in words is "twenty million, two hundred sixty-six thousand, three hundred twenty-six".