204464420 has 12 divisors (see below), whose sum is σ = 429375324. Its totient is φ = 81785760.

The previous prime is 204464399. The next prime is 204464431. The reversal of 204464420 is 24464402.

It can be written as a sum of positive squares in 2 ways, for example, as 77721856 + 126742564 = 8816^2 + 11258^2 .

It is a super-3 number, since 3×204464420³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204464420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111591 + ... + 5111630.

It is an arithmetic number, because the mean of its divisors is an integer number (35781277).

Almost surely, 2^204464420 is an apocalyptic number.

204464420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204464420 is an abundant number, since it is smaller than the sum of its proper divisors (224910904).

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

204464420 is a wasteful number, since it uses less digits than its factorization.

204464420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223230 (or 10223228 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 204464420 is about 14299.1055664332. The cubic root of 204464420 is about 589.1229139608.

The spelling of 204464420 in words is "two hundred four million, four hundred sixty-four thousand, four hundred twenty".