203122420203005 has 48 divisors (see below), whose sum is σ = 266038490370240. Its totient is φ = 148381101561600.

The previous prime is 203122420202993. The next prime is 203122420203097. The reversal of 203122420203005 is 500302024221302.

It is not a de Polignac number, because 203122420203005 - 2²⁰ = 203122419154429 is a prime.

It is a super-2 number, since 2×203122420203005² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23047670 + ... + 30617640.

It is an arithmetic number, because the mean of its divisors is an integer number (5542468549380).

Almost surely, 2^{203122420203005} is an apocalyptic number.

It is an amenable number.

203122420203005 is a deficient number, since it is larger than the sum of its proper divisors (62916070167235).

203122420203005 is an equidigital number, since it uses as much as digits as its factorization.

203122420203005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570202 (or 7570119 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 203122420203005 its reverse (500302024221302), we get a palindrome (703424444424307).

The spelling of 203122420203005 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred twenty million, two hundred three thousand, five".