204303420 has 36 divisors (see below), whose sum is σ = 619720920. Its totient is φ = 54480864.

The previous prime is 204303419. The next prime is 204303427. The reversal of 204303420 is 24303402.

204303420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 204303393 and 204303402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204303427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567330 + ... + 567689.

It is an arithmetic number, because the mean of its divisors is an integer number (17214470).

Almost surely, 2^204303420 is an apocalyptic number.

204303420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204303420 is an abundant number, since it is smaller than the sum of its proper divisors (415417500).

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

204303420 is a wasteful number, since it uses less digits than its factorization.

204303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135034 (or 1135029 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 204303420 is about 14293.4747349971. The cubic root of 204303420 is about 588.9682437001.

Subtracting from 204303420 its sum of digits (18), we obtain a palindrome (204303402).

Adding to 204303420 its reverse (24303402), we get a palindrome (228606822).

The spelling of 204303420 in words is "two hundred four million, three hundred three thousand, four hundred twenty".