20231255 has 8 divisors (see below), whose sum is σ = 26484624. Its totient is φ = 14713600.

The previous prime is 20231243. The next prime is 20231269. The reversal of 20231255 is 55213202.

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

It is not a de Polignac number, because 20231255 - 2¹⁴ = 20214871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183866 + ... + 183975.

It is an arithmetic number, because the mean of its divisors is an integer number (3310578).

Almost surely, 2^20231255 is an apocalyptic number.

20231255 is a deficient number, since it is larger than the sum of its proper divisors (6253369).

20231255 is a wasteful number, since it uses less digits than its factorization.

20231255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367857.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20231255 is about 4497.9167400031. The cubic root of 20231255 is about 272.4839594407.

Adding to 20231255 its reverse (55213202), we get a palindrome (75444457).

The spelling of 20231255 in words is "twenty million, two hundred thirty-one thousand, two hundred fifty-five".