204503343030 has 80 divisors (see below), whose sum is σ = 628442036640. Its totient is φ = 46743619968.

The previous prime is 204503343001. The next prime is 204503343041. The reversal of 204503343030 is 30343305402.

It is a happy number.

204503343030 is a `hidden beast` number, since 20 + 4 + 5 + 0 + 334 + 303 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 204503342985 and 204503343003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18028135 + ... + 18039474.

It is an arithmetic number, because the mean of its divisors is an integer number (7855525458).

Almost surely, 2^204503343030 is an apocalyptic number.

204503343030 is an abundant number, since it is smaller than the sum of its proper divisors (423938693610).

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

204503343030 is a wasteful number, since it uses less digits than its factorization.

204503343030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36067635 (or 36067626 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 204503343030 its reverse (30343305402), we get a palindrome (234846648432).

The spelling of 204503343030 in words is "two hundred four billion, five hundred three million, three hundred forty-three thousand, thirty".