20140255 has 8 divisors (see below), whose sum is σ = 24440400. Its totient is φ = 15930816.

The previous prime is 20140243. The next prime is 20140271. The reversal of 20140255 is 55204102.

20140255 = 2005² + 2006² + ... + 2009².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20140255 - 2¹⁷ = 20009183 is a prime.

It is a congruent number.

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, 22185 + ... + 23074.

It is an arithmetic number, because the mean of its divisors is an integer number (3055050).

Almost surely, 2^20140255 is an apocalyptic number.

20140255 is a deficient number, since it is larger than the sum of its proper divisors (4300145).

20140255 is an equidigital number, since it uses as much as digits as its factorization.

20140255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45353.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20140255 is about 4487.7895449765. The cubic root of 20140255 is about 272.0748019112.

Adding to 20140255 its reverse (55204102), we get a palindrome (75344357).

The spelling of 20140255 in words is "twenty million, one hundred forty thousand, two hundred fifty-five".