204214430442420 has 72 divisors (see below), whose sum is σ = 619451856957024. Its totient is φ = 54457056796608.

The previous prime is 204214430442413. The next prime is 204214430442427. The reversal of 204214430442420 is 24244034412402.

204214430442420 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 144 + 30 + 442 + 42 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (204214430442413) and next prime (204214430442427).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204214430442427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99028287 + ... + 101069433.

It is an arithmetic number, because the mean of its divisors is an integer number (8603498013292).

Almost surely, 2^{204214430442420} is an apocalyptic number.

204214430442420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204214430442420 is an abundant number, since it is smaller than the sum of its proper divisors (415237426514604).

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

204214430442420 is a wasteful number, since it uses less digits than its factorization.

204214430442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596989 (or 2596984 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 204214430442420 its reverse (24244034412402), we get a palindrome (228458464854822).

The spelling of 204214430442420 in words is "two hundred four trillion, two hundred fourteen billion, four hundred thirty million, four hundred forty-two thousand, four hundred twenty".