204362420 has 24 divisors (see below), whose sum is σ = 443961000. Its totient is φ = 78925952.

The previous prime is 204362419. The next prime is 204362471. The reversal of 204362420 is 24263402.

It can be written as a sum of positive squares in 4 ways, for example, as 33223696 + 171138724 = 5764^2 + 13082^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 175595 + ... + 176754.

It is an arithmetic number, because the mean of its divisors is an integer number (18498375).

Almost surely, 2^204362420 is an apocalyptic number.

204362420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204362420 is an abundant number, since it is smaller than the sum of its proper divisors (239598580).

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

204362420 is a wasteful number, since it uses less digits than its factorization.

204362420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352387 (or 352385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204362420 is about 14295.5384648498. The cubic root of 204362420 is about 589.0249335358.

The spelling of 204362420 in words is "two hundred four million, three hundred sixty-two thousand, four hundred twenty".