204214312030220 has 24 divisors (see below), whose sum is σ = 428851028013408. Its totient is φ = 81685539526400.

The previous prime is 204214312030147. The next prime is 204214312030247. The reversal of 204214312030220 is 22030213412402.

It is a self number, because there is not a number n which added to its sum of digits gives 204214312030220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363741 + ... + 20347380.

It is an arithmetic number, because the mean of its divisors is an integer number (17868792833892).

Almost surely, 2^{204214312030220} is an apocalyptic number.

204214312030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204214312030220 is an abundant number, since it is smaller than the sum of its proper divisors (224636715983188).

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

204214312030220 is a wasteful number, since it uses less digits than its factorization.

204214312030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23160721 (or 23160719 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 204214312030220 its reverse (22030213412402), we get a palindrome (226244525442622).

The spelling of 204214312030220 in words is "two hundred four trillion, two hundred fourteen billion, three hundred twelve million, thirty thousand, two hundred twenty".