204040220000 has 120 divisors (see below), whose sum is σ = 503568693936. Its totient is φ = 81356096000.

The previous prime is 204040219987. The next prime is 204040220023. The reversal of 204040220000 is 22040402.

It is a happy number.

204040220000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204040220000² (a number of 23 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 19 ways as a sum of consecutive naturals, for example, 6323909 + ... + 6356091.

Almost surely, 2^204040220000 is an apocalyptic number.

204040220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204040220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251784346968).

204040220000 is an abundant number, since it is smaller than the sum of its proper divisors (299528473936).

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

204040220000 is an equidigital number, since it uses as much as digits as its factorization.

204040220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32530 (or 32507 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 204040220000 its reverse (22040402), we get a palindrome (204062260402).

The spelling of 204040220000 in words is "two hundred four billion, forty million, two hundred twenty thousand".