204122231120 has 40 divisors (see below), whose sum is σ = 475105305600. Its totient is φ = 81559237760.

The previous prime is 204122231119. The next prime is 204122231149. The reversal of 204122231120 is 21132221402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 204122231092 and 204122231101.

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, 1327520 + ... + 1473279.

It is an arithmetic number, because the mean of its divisors is an integer number (11877632640).

Almost surely, 2^204122231120 is an apocalyptic number.

204122231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204122231120 is an abundant number, since it is smaller than the sum of its proper divisors (270983074480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204122231120 is a wasteful number, since it uses less digits than its factorization.

204122231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801723 (or 2801717 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 204122231120 its reverse (21132221402), we get a palindrome (225254452522).

The spelling of 204122231120 in words is "two hundred four billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty".