204240201111200 has 36 divisors (see below), whose sum is σ = 498601390964670. Its totient is φ = 81696080444160.

The previous prime is 204240201111197. The next prime is 204240201111203. The reversal of 204240201111200 is 2111102042402.

It is an interprime number because it is at equal distance from previous prime (204240201111197) and next prime (204240201111203).

It can be written as a sum of positive squares in 3 ways, for example, as 172486931031184 + 31753270080016 = 13133428^2 + 5635004^2 .

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

It is not an unprimeable number, because it can be changed into a prime (204240201111203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127650124895 + ... + 127650126494.

Almost surely, 2^{204240201111200} is an apocalyptic number.

204240201111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204240201111200 is an abundant number, since it is smaller than the sum of its proper divisors (294361189853470).

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

204240201111200 is a wasteful number, since it uses less digits than its factorization.

204240201111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255300251409 (or 255300251396 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 204240201111200 its reverse (2111102042402), we get a palindrome (206351303153602).

The spelling of 204240201111200 in words is "two hundred four trillion, two hundred forty billion, two hundred one million, one hundred eleven thousand, two hundred".