204221044333420 has 48 divisors (see below), whose sum is σ = 429649636500000. Its totient is φ = 81538944215040.

The previous prime is 204221044333417. The next prime is 204221044333457. The reversal of 204221044333420 is 24333440122402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20045806 + ... + 28465354.

It is an arithmetic number, because the mean of its divisors is an integer number (8951034093750).

Almost surely, 2^{204221044333420} is an apocalyptic number.

204221044333420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204221044333420 is an abundant number, since it is smaller than the sum of its proper divisors (225428592166580).

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

204221044333420 is a wasteful number, since it uses less digits than its factorization.

204221044333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421778 (or 8421776 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 204221044333420 its reverse (24333440122402), we get a palindrome (228554484455822).

The spelling of 204221044333420 in words is "two hundred four trillion, two hundred twenty-one billion, forty-four million, three hundred thirty-three thousand, four hundred twenty".