204312413414420 has 24 divisors (see below), whose sum is σ = 443851105005000. Its totient is φ = 78906863111552.

The previous prime is 204312413414419. The next prime is 204312413414477. The reversal of 204312413414420 is 24414314213402.

It can be written as a sum of positive squares in 4 ways, for example, as 64306061039236 + 140006352375184 = 8019106^2 + 11832428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176131390295 + ... + 176131391454.

It is an arithmetic number, because the mean of its divisors is an integer number (18493796041875).

Almost surely, 2^{204312413414420} is an apocalyptic number.

204312413414420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204312413414420 is an abundant number, since it is smaller than the sum of its proper divisors (239538691590580).

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

204312413414420 is a wasteful number, since it uses less digits than its factorization.

204312413414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352262781787 (or 352262781785 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 204312413414420 its reverse (24414314213402), we get a palindrome (228726727627822).

The spelling of 204312413414420 in words is "two hundred four trillion, three hundred twelve billion, four hundred thirteen million, four hundred fourteen thousand, four hundred twenty".