20203255 has 8 divisors (see below), whose sum is σ = 24290352. Its totient is φ = 16131648.

The previous prime is 20203243. The next prime is 20203273. The reversal of 20203255 is 55230202.

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 20203255 - 2¹⁵ = 20170487 is a prime.

It is a Duffinian number.

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, 774 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (3036294).

Almost surely, 2^20203255 is an apocalyptic number.

20203255 is a deficient number, since it is larger than the sum of its proper divisors (4087097).

20203255 is an equidigital number, since it uses as much as digits as its factorization.

20203255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 20203255 is about 4494.8031102597. The cubic root of 20203255 is about 272.3581957262.

Adding to 20203255 its reverse (55230202), we get a palindrome (75433457).

The spelling of 20203255 in words is "twenty million, two hundred three thousand, two hundred fifty-five".