20255055 has 16 divisors (see below), whose sum is σ = 32744544. Its totient is φ = 10690560.

The previous prime is 20255017. The next prime is 20255057. The reversal of 20255055 is 55055202.

It is not a de Polignac number, because 20255055 - 2⁶ = 20254991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20255057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5506 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (2046534).

Almost surely, 2^20255055 is an apocalyptic number.

20255055 is a deficient number, since it is larger than the sum of its proper divisors (12489489).

20255055 is a wasteful number, since it uses less digits than its factorization.

20255055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 20255055 is about 4500.5616316189. The cubic root of 20255055 is about 272.5907673949.

The spelling of 20255055 in words is "twenty million, two hundred fifty-five thousand, fifty-five".