20055266 has 24 divisors (see below), whose sum is σ = 37793280. Its totient is φ = 7813080.

The previous prime is 20055263. The next prime is 20055281. The reversal of 20055266 is 66255002.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20055263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4226 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (1574720).

Almost surely, 2^20055266 is an apocalyptic number.

20055266 is a deficient number, since it is larger than the sum of its proper divisors (17738014).

20055266 is a wasteful number, since it uses less digits than its factorization.

20055266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11870 (or 11859 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20055266 is about 4478.3106189723. The cubic root of 20055266 is about 271.6915567210.

The spelling of 20055266 in words is "twenty million, fifty-five thousand, two hundred sixty-six".