204420422040 has 64 divisors (see below), whose sum is σ = 614998677600. Its totient is φ = 54357676032.

The previous prime is 204420422023. The next prime is 204420422099. The reversal of 204420422040 is 40224024402.

204420422040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 204420422040.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2370535 + ... + 2455254.

Almost surely, 2^204420422040 is an apocalyptic number.

204420422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204420422040 is an abundant number, since it is smaller than the sum of its proper divisors (410578255560).

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

204420422040 is a wasteful number, since it uses less digits than its factorization.

204420422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826156 (or 4826152 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 204420422040 its reverse (40224024402), we get a palindrome (244644446442).

The spelling of 204420422040 in words is "two hundred four billion, four hundred twenty million, four hundred twenty-two thousand, forty".