203030220455253 has 8 divisors (see below), whose sum is σ = 300785511785600. Its totient is φ = 135353480303484.

The previous prime is 203030220455207. The next prime is 203030220455263. The reversal of 203030220455253 is 352554022030302.

203030220455253 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 30 + 2 + 20 + 4 + 552 + 53 = 666.

It is not a de Polignac number, because 203030220455253 - 2¹⁷ = 203030220324181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203030220455263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3759818897293 + ... + 3759818897346.

It is an arithmetic number, because the mean of its divisors is an integer number (37598188973200).

Almost surely, 2^{203030220455253} is an apocalyptic number.

It is an amenable number.

203030220455253 is a deficient number, since it is larger than the sum of its proper divisors (97755291330347).

203030220455253 is an equidigital number, since it uses as much as digits as its factorization.

203030220455253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519637794648 (or 7519637794642 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 203030220455253 its reverse (352554022030302), we get a palindrome (555584242485555).

The spelling of 203030220455253 in words is "two hundred three trillion, thirty billion, two hundred twenty million, four hundred fifty-five thousand, two hundred fifty-three".