20055250 has 16 divisors (see below), whose sum is σ = 37543896. Its totient is φ = 8022000.

The previous prime is 20055247. The next prime is 20055263. The reversal of 20055250 is 5255002.

It can be written as a sum of positive squares in 4 ways, for example, as 5774409 + 14280841 = 2403^2 + 3779^2 .

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, 39861 + ... + 40360.

Almost surely, 2^20055250 is an apocalyptic number.

20055250 is a deficient number, since it is larger than the sum of its proper divisors (17488646).

20055250 is an equidigital number, since it uses as much as digits as its factorization.

20055250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80238 (or 80228 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 20055250 is about 4478.3088325840. The cubic root of 20055250 is about 271.6914844696.

The spelling of 20055250 in words is "twenty million, fifty-five thousand, two hundred fifty".