204023302400 has 54 divisors (see below), whose sum is σ = 504989567922. Its totient is φ = 81609318400.

The previous prime is 204023302337. The next prime is 204023302411. The reversal of 204023302400 is 4203320402.

It can be written as a sum of positive squares in 3 ways, for example, as 499611904 + 203523690496 = 22352^2 + 451136^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15932921 + ... + 15945720.

Almost surely, 2^204023302400 is an apocalyptic number.

204023302400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204023302400 is an abundant number, since it is smaller than the sum of its proper divisors (300966265522).

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

204023302400 is an equidigital number, since it uses as much as digits as its factorization.

204023302400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31878667 (or 31878648 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 204023302400 its reverse (4203320402), we get a palindrome (208226622802).

The spelling of 204023302400 in words is "two hundred four billion, twenty-three million, three hundred two thousand, four hundred".