204030121031320 has 32 divisors (see below), whose sum is σ = 461398065598800. Its totient is φ = 81197774051968.

The previous prime is 204030121031279. The next prime is 204030121031323. The reversal of 204030121031320 is 23130121030402.

204030121031320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204030121031291 and 204030121031300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204030121031323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12946065790 + ... + 12946081549.

Almost surely, 2^{204030121031320} is an apocalyptic number.

204030121031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204030121031320 is an abundant number, since it is smaller than the sum of its proper divisors (257367944567480).

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

204030121031320 is a wasteful number, since it uses less digits than its factorization.

204030121031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25892147547 (or 25892147543 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 204030121031320 its reverse (23130121030402), we get a palindrome (227160242061722).

The spelling of 204030121031320 in words is "two hundred four trillion, thirty billion, one hundred twenty-one million, thirty-one thousand, three hundred twenty".