204212052040 has 64 divisors (see below), whose sum is σ = 464233368960. Its totient is φ = 80842882560.

The previous prime is 204212052007. The next prime is 204212052043. The reversal of 204212052040 is 40250212402.

204212052040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204212052043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757589 + ... + 1870171.

It is an arithmetic number, because the mean of its divisors is an integer number (7253646390).

Almost surely, 2^204212052040 is an apocalyptic number.

204212052040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204212052040 is an abundant number, since it is smaller than the sum of its proper divisors (260021316920).

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

204212052040 is a wasteful number, since it uses less digits than its factorization.

204212052040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113062 (or 113058 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 204212052040 its reverse (40250212402), we get a palindrome (244462264442).

The spelling of 204212052040 in words is "two hundred four billion, two hundred twelve million, fifty-two thousand, forty".