202031422005 has 48 divisors (see below), whose sum is σ = 379902519360. Its totient is φ = 91405052928.

The previous prime is 202031421967. The next prime is 202031422007. The reversal of 202031422005 is 500224130202.

It is not a de Polignac number, because 202031422005 - 2¹² = 202031417909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202031422007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1345575 + ... + 1488164.

It is an arithmetic number, because the mean of its divisors is an integer number (7914635820).

Almost surely, 2^202031422005 is an apocalyptic number.

It is an amenable number.

202031422005 is a deficient number, since it is larger than the sum of its proper divisors (177871097355).

202031422005 is a wasteful number, since it uses less digits than its factorization.

202031422005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833858 (or 2833851 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 202031422005 its reverse (500224130202), we get a palindrome (702255552207).

The spelling of 202031422005 in words is "two hundred two billion, thirty-one million, four hundred twenty-two thousand, five".